CVE-2021-3712 (GCVE-0-2021-3712)
Vulnerability from cvelistv5
Published
2021-08-24 14:50
Modified
2026-04-16 14:11
Severity ?
CWE
  • Buffer overflow
Summary
ASN.1 strings are represented internally within OpenSSL as an ASN1_STRING structure which contains a buffer holding the string data and a field holding the buffer length. This contrasts with normal C strings which are repesented as a buffer for the string data which is terminated with a NUL (0) byte. Although not a strict requirement, ASN.1 strings that are parsed using OpenSSL's own "d2i" functions (and other similar parsing functions) as well as any string whose value has been set with the ASN1_STRING_set() function will additionally NUL terminate the byte array in the ASN1_STRING structure. However, it is possible for applications to directly construct valid ASN1_STRING structures which do not NUL terminate the byte array by directly setting the "data" and "length" fields in the ASN1_STRING array. This can also happen by using the ASN1_STRING_set0() function. Numerous OpenSSL functions that print ASN.1 data have been found to assume that the ASN1_STRING byte array will be NUL terminated, even though this is not guaranteed for strings that have been directly constructed. Where an application requests an ASN.1 structure to be printed, and where that ASN.1 structure contains ASN1_STRINGs that have been directly constructed by the application without NUL terminating the "data" field, then a read buffer overrun can occur. The same thing can also occur during name constraints processing of certificates (for example if a certificate has been directly constructed by the application instead of loading it via the OpenSSL parsing functions, and the certificate contains non NUL terminated ASN1_STRING structures). It can also occur in the X509_get1_email(), X509_REQ_get1_email() and X509_get1_ocsp() functions. If a malicious actor can cause an application to directly construct an ASN1_STRING and then process it through one of the affected OpenSSL functions then this issue could be hit. This might result in a crash (causing a Denial of Service attack). It could also result in the disclosure of private memory contents (such as private keys, or sensitive plaintext). Fixed in OpenSSL 1.1.1l (Affected 1.1.1-1.1.1k). Fixed in OpenSSL 1.0.2za (Affected 1.0.2-1.0.2y).
References
https://www.openssl.org/news/secadv/20210824.txt
https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=94d23fcff9b2a7a8368dfe52214d5c2569882c11
https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=ccb0a11145ee72b042d10593a64eaf9e8a55ec12
https://www.debian.org/security/2021/dsa-4963 vendor-advisory
https://lists.apache.org/thread.html/r18995de860f0e63635f3008fd2a6aca82394249476d21691e7c59c9e%40%3Cdev.tomcat.apache.org%3E mailing-list
http://www.openwall.com/lists/oss-security/2021/08/26/2 mailing-list
https://lists.apache.org/thread.html/rad5d9f83f0d11fb3f8bb148d179b8a9ad7c6a17f18d70e5805a713d1%40%3Cdev.tomcat.apache.org%3E mailing-list
https://security.netapp.com/advisory/ntap-20210827-0010/
https://lists.debian.org/debian-lts-announce/2021/09/msg00014.html mailing-list
https://lists.debian.org/debian-lts-announce/2021/09/msg00021.html mailing-list
https://www.oracle.com/security-alerts/cpuoct2021.html
https://www.tenable.com/security/tns-2021-16
https://kc.mcafee.com/corporate/index?page=content&id=SB10366
https://www.oracle.com/security-alerts/cpujan2022.html
https://www.tenable.com/security/tns-2022-02
https://www.oracle.com/security-alerts/cpuapr2022.html
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-244969.pdf
https://security.gentoo.org/glsa/202209-02 vendor-advisory
https://security.gentoo.org/glsa/202210-02 vendor-advisory
https://security.netapp.com/advisory/ntap-20240621-0006/
Impacted products
Vendor Product Version
OpenSSL OpenSSL Version: Fixed in OpenSSL 1.1.1l (Affected 1.1.1-1.1.1k)
Version: Fixed in OpenSSL 1.0.2za (Affected 1.0.2-1.0.2y)
Create a notification for this product.
Show details on NVD website


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              {
                "lessThan": "V6.6.0",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
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            "defaultStatus": "unknown",
            "product": "SCALANCE W788-2 M12",
            "vendor": "Siemens",
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              {
                "lessThan": "V6.6.0",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
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            "defaultStatus": "unknown",
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              {
                "lessThan": "V6.6.0",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
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          },
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            "defaultStatus": "unknown",
            "product": "SCALANCE W788-2 M12",
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              {
                "lessThan": "V6.6.0",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
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            "defaultStatus": "unknown",
            "product": "SCALANCE W788-2 M12",
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              {
                "lessThan": "V6.6.0",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE W788-2 M12 EEC",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V6.6.0",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE W788-2 M12 EEC",
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              {
                "lessThan": "V6.6.0",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE W788-2 M12 EEC",
            "vendor": "Siemens",
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              {
                "lessThan": "V6.6.0",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE W788-2 M12 EEC",
            "vendor": "Siemens",
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              {
                "lessThan": "V6.6.0",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
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            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE W788-2 M12 EEC",
            "vendor": "Siemens",
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              {
                "lessThan": "V6.6.0",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE W788-2 M12 EEC",
            "vendor": "Siemens",
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              {
                "lessThan": "V6.6.0",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE W788-2 RJ45",
            "vendor": "Siemens",
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              {
                "lessThan": "V6.6.0",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE W788-2 RJ45",
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              {
                "lessThan": "V6.6.0",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE W788-2 RJ45",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V6.6.0",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE W788-2 RJ45",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V6.6.0",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE W788-2 RJ45",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V6.6.0",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE W788-2 RJ45",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V6.6.0",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE WAM766-1",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V1.2.0",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE WAM766-1 (US)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V1.2.0",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE WAM766-1 EEC",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V1.2.0",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE WAM766-1 EEC (US)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V1.2.0",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE WUM766-1",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V1.2.0",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE WUM766-1 (USA)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V1.2.0",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X200-4P IRT",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V5.5.2",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X201-3P IRT",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V5.5.2",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X201-3P IRT PRO",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V5.5.2",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X202-2IRT",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V5.5.2",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X202-2P IRT",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V5.5.2",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X202-2P IRT PRO",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V5.5.2",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X204-2",
            "vendor": "Siemens",
            "versions": [
              {
                "status": "affected",
                "version": "All versions \u003c V5.2.6"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X204-2FM",
            "vendor": "Siemens",
            "versions": [
              {
                "status": "affected",
                "version": "All versions \u003c V5.2.6"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X204-2LD",
            "vendor": "Siemens",
            "versions": [
              {
                "status": "affected",
                "version": "All versions \u003c V5.2.6"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X204-2LD TS",
            "vendor": "Siemens",
            "versions": [
              {
                "status": "affected",
                "version": "All versions \u003c V5.2.6"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X204-2TS",
            "vendor": "Siemens",
            "versions": [
              {
                "status": "affected",
                "version": "All versions \u003c V5.2.6"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X204IRT",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V5.5.2",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X204IRT PRO",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V5.5.2",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X206-1",
            "vendor": "Siemens",
            "versions": [
              {
                "status": "affected",
                "version": "All versions \u003c V5.2.6"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X206-1LD",
            "vendor": "Siemens",
            "versions": [
              {
                "status": "affected",
                "version": "All versions \u003c V5.2.6"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X208",
            "vendor": "Siemens",
            "versions": [
              {
                "status": "affected",
                "version": "All versions \u003c V5.2.6"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X208PRO",
            "vendor": "Siemens",
            "versions": [
              {
                "status": "affected",
                "version": "All versions \u003c V5.2.6"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X212-2",
            "vendor": "Siemens",
            "versions": [
              {
                "status": "affected",
                "version": "All versions \u003c V5.2.6"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X212-2LD",
            "vendor": "Siemens",
            "versions": [
              {
                "status": "affected",
                "version": "All versions \u003c V5.2.6"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X216",
            "vendor": "Siemens",
            "versions": [
              {
                "status": "affected",
                "version": "All versions \u003c V5.2.6"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X224",
            "vendor": "Siemens",
            "versions": [
              {
                "status": "affected",
                "version": "All versions \u003c V5.2.6"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X302-7 EEC (230V, coated)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X302-7 EEC (230V)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X302-7 EEC (24V, coated)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X302-7 EEC (24V)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X302-7 EEC (2x 230V, coated)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X302-7 EEC (2x 230V)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X302-7 EEC (2x 24V, coated)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X302-7 EEC (2x 24V)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X304-2FE",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X306-1LD FE",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X307-2 EEC (230V, coated)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X307-2 EEC (230V)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X307-2 EEC (24V, coated)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X307-2 EEC (24V)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X307-2 EEC (2x 230V, coated)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X307-2 EEC (2x 230V)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X307-2 EEC (2x 24V, coated)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X307-2 EEC (2x 24V)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X307-3",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X307-3",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X307-3LD",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X307-3LD",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X308-2",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X308-2",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X308-2LD",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X308-2LD",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X308-2LH",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X308-2LH",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X308-2LH+",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X308-2LH+",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X308-2M",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X308-2M",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X308-2M PoE",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X308-2M PoE",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X308-2M TS",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X308-2M TS",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X310",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X310",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X310FE",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X310FE",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X320-1 FE",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X320-1-2LD FE",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE X408-2",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XF201-3P IRT",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V5.5.2",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XF202-2P IRT",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V5.5.2",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XF204",
            "vendor": "Siemens",
            "versions": [
              {
                "status": "affected",
                "version": "All versions \u003c V5.2.6"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XF204-2",
            "vendor": "Siemens",
            "versions": [
              {
                "status": "affected",
                "version": "All versions \u003c V5.2.6"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XF204-2BA IRT",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V5.5.2",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XF204IRT",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V5.5.2",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XF206-1",
            "vendor": "Siemens",
            "versions": [
              {
                "status": "affected",
                "version": "All versions \u003c V5.2.6"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XF208",
            "vendor": "Siemens",
            "versions": [
              {
                "status": "affected",
                "version": "All versions \u003c V5.2.6"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XR324-12M (230V, ports on front)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XR324-12M (230V, ports on front)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XR324-12M (230V, ports on rear)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XR324-12M (230V, ports on rear)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XR324-12M (24V, ports on front)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XR324-12M (24V, ports on front)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XR324-12M (24V, ports on rear)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XR324-12M (24V, ports on rear)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XR324-12M TS (24V)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XR324-12M TS (24V)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XR324-4M EEC (100-240VAC/60-250VDC, ports on front)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XR324-4M EEC (100-240VAC/60-250VDC, ports on front)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XR324-4M EEC (100-240VAC/60-250VDC, ports on rear)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XR324-4M EEC (100-240VAC/60-250VDC, ports on rear)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XR324-4M EEC (24V, ports on front)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XR324-4M EEC (24V, ports on front)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XR324-4M EEC (24V, ports on rear)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XR324-4M EEC (24V, ports on rear)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XR324-4M EEC (2x 100-240VAC/60-250VDC, ports on front)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XR324-4M EEC (2x 100-240VAC/60-250VDC, ports on front)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XR324-4M EEC (2x 100-240VAC/60-250VDC, ports on rear)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XR324-4M EEC (2x 100-240VAC/60-250VDC, ports on rear)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XR324-4M EEC (2x 24V, ports on front)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XR324-4M EEC (2x 24V, ports on front)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XR324-4M EEC (2x 24V, ports on rear)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XR324-4M EEC (2x 24V, ports on rear)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XR324-4M PoE (230V, ports on front)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XR324-4M PoE (230V, ports on rear)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XR324-4M PoE (24V, ports on front)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XR324-4M PoE (24V, ports on rear)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SCALANCE XR324-4M PoE TS (24V, ports on front)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.1.4",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC CP 1242-7 V2",
            "vendor": "Siemens",
            "versions": [
              {
                "status": "affected",
                "version": "All versions \u003c V3.3.46"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC CP 1243-1",
            "vendor": "Siemens",
            "versions": [
              {
                "status": "affected",
                "version": "All versions \u003c V3.3.46"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC CP 1243-7 LTE EU",
            "vendor": "Siemens",
            "versions": [
              {
                "status": "affected",
                "version": "All versions \u003c V3.3.46"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC CP 1243-7 LTE US",
            "vendor": "Siemens",
            "versions": [
              {
                "status": "affected",
                "version": "All versions \u003c V3.3.46"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC CP 1243-8 IRC",
            "vendor": "Siemens",
            "versions": [
              {
                "status": "affected",
                "version": "All versions \u003c V3.3.46"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC CP 1542SP-1",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V2.2.28",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC CP 1543-1",
            "vendor": "Siemens",
            "versions": [
              {
                "status": "affected",
                "version": "All versions \u003c V3.0.22"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC CP 1543SP-1",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V2.2.28",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC CP 1545-1",
            "vendor": "Siemens",
            "versions": [
              {
                "status": "affected",
                "version": "All versions \u003c V1.1"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC PCS neo (Administration Console)",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V3.1.1",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC Process Historian OPC UA Server",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V2020 SP1",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC S7-1200 CPU 1211C AC/DC/Rly",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.5.2",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC S7-1200 CPU 1211C DC/DC/DC",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.5.2",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC S7-1200 CPU 1211C DC/DC/Rly",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.5.2",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC S7-1200 CPU 1212C AC/DC/Rly",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.5.2",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC S7-1200 CPU 1212C DC/DC/DC",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.5.2",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC S7-1200 CPU 1212C DC/DC/Rly",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.5.2",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC S7-1200 CPU 1212FC DC/DC/DC",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.5.2",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC S7-1200 CPU 1212FC DC/DC/Rly",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.5.2",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC S7-1200 CPU 1214C AC/DC/Rly",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.5.2",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC S7-1200 CPU 1214C DC/DC/DC",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.5.2",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC S7-1200 CPU 1214C DC/DC/Rly",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.5.2",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC S7-1200 CPU 1214FC DC/DC/DC",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.5.2",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC S7-1200 CPU 1214FC DC/DC/Rly",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V4.5.2",
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        },
        {
          "url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10366"
        },
        {
          "url": "https://www.oracle.com/security-alerts/cpujan2022.html"
        },
        {
          "url": "https://www.tenable.com/security/tns-2022-02"
        },
        {
          "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
        },
        {
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf"
        },
        {
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-244969.pdf"
        },
        {
          "name": "GLSA-202209-02",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.gentoo.org/glsa/202209-02"
        },
        {
          "name": "GLSA-202210-02",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.gentoo.org/glsa/202210-02"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20240621-0006/"
        }
      ],
      "title": "Read buffer overruns processing ASN.1 strings"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5",
    "assignerShortName": "openssl",
    "cveId": "CVE-2021-3712",
    "datePublished": "2021-08-24T14:50:14.704Z",
    "dateReserved": "2021-08-16T00:00:00.000Z",
    "dateUpdated": "2026-04-16T14:11:16.454Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


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