CVE-2026-20224 (GCVE-0-2026-20224)
Vulnerability from cvelistv5
Published
2026-05-14 16:08
Modified
2026-05-14 18:29
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-20 - Improper Input Validation
Summary
A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an unauthenticated, remote attacker to read arbitrary files that are stored in an affected system. The attacker does not need to have valid user credentials.
This vulnerability is due to improper handling of XML External Entity (XXE) entries when parsing an XML file. An attacker could exploit this vulnerability by sending a crafted request to an affected system. A successful exploit could allow the attacker to read arbitrary files that are stored in the affected system.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco Catalyst SD-WAN Manager |
Version: 20.1.12 Version: 19.2.1 Version: 18.4.4 Version: 18.4.5 Version: 20.1.1.1 Version: 20.1.1 Version: 19.3.0 Version: 19.2.2 Version: 19.2.099 Version: 18.3.6 Version: 18.3.7 Version: 19.2.0 Version: 18.3.8 Version: 19.0.0 Version: 19.1.0 Version: 18.4.302 Version: 18.4.303 Version: 19.2.097 Version: 19.2.098 Version: 17.2.10 Version: 18.3.6.1 Version: 19.0.1a Version: 18.2.0 Version: 18.4.3 Version: 18.4.1 Version: 17.2.8 Version: 18.3.3.1 Version: 18.4.0 Version: 18.3.1 Version: 17.2.6 Version: 17.2.9 Version: 18.3.4 Version: 17.2.5 Version: 18.3.1.1 Version: 18.3.5 Version: 18.4.0.1 Version: 18.3.3 Version: 17.2.7 Version: 17.2.4 Version: 18.3.0 Version: 19.2.3 Version: 18.4.501_ES Version: 20.3.1 Version: 20.1.2 Version: 19.2.929 Version: 19.2.31 Version: 20.3.2 Version: 19.2.32 Version: 20.3.2_925 Version: 20.3.2.1 Version: 20.3.2.1_927 Version: 18.4.6 Version: 20.1.2_937 Version: 20.4.1 Version: 20.3.2_928 Version: 20.3.2_929 Version: 20.4.1.0.1 Version: 20.3.2.1_930 Version: 19.2.4 Version: 20.5.0.1.1 Version: 20.4.1.1 Version: 20.3.3 Version: 19.2.4.0.1 Version: 20.3.2_937 Version: 20.3.3.1 Version: 20.5.1 Version: 20.1.3 Version: 20.3.3.0.4 Version: 20.3.3.1.2 Version: 20.3.3.1.1 Version: 20.4.1.2 Version: 20.3.3.0.2 Version: 20.4.1.1.5 Version: 20.4.1.0.01 Version: 20.4.1.0.02 Version: 20.3.3.1.7 Version: 20.3.3.1.5 Version: 20.5.1.0.1 Version: 20.3.3.1.10 Version: 20.3.3.0.8 Version: 20.4.2 Version: 20.4.2.0.1 Version: 20.3.4 Version: 20.3.3.0.14 Version: 19.2.4.0.8 Version: 19.2.4.0.9 Version: 20.3.4.0.1 Version: 20.3.2.0.5 Version: 20.6.1 Version: 20.5.1.0.2 Version: 20.3.3.0.17 Version: 20.6.1.1 Version: 20.6.0.18.3 Version: 20.3.2.0.6 Version: 20.6.0.18.4 Version: 20.4.2.0.2 Version: 20.3.3.0.16 Version: 20.3.4.0.5 Version: 20.6.1.0.1 Version: 20.3.4.0.6 Version: 20.6.2 Version: 20.7.1EFT2 Version: 20.3.4.0.9 Version: 20.3.4.0.11 Version: 20.4.2.0.4 Version: 20.3.3.0.18 Version: 20.7.1 Version: 20.6.2.1 Version: 20.3.4.1 Version: 20.5.1.1 Version: 20.4.2.1 Version: 20.4.2.1.1 Version: 20.3.4.1.1 Version: 20.3.813 Version: 20.3.4.0.19 Version: 20.4.2.2.1 Version: 20.5.1.2 Version: 20.3.4.2 Version: 20.3.814 Version: 20.4.2.2 Version: 20.6.2.2 Version: 20.3.4.2.1 Version: 20.7.1.1 Version: 20.3.4.1.2 Version: 20.6.2.2.2 Version: 20.3.4.0.20 Version: 20.6.2.2.3 Version: 20.4.2.2.2 Version: 20.3.5 Version: 20.6.2.0.4 Version: 20.4.2.2.3 Version: 20.3.4.0.24 Version: 20.6.2.2.7 Version: 20.6.3 Version: 20.3.4.2.2 Version: 20.4.2.2.4 Version: 20.7.1.0.2 Version: 20.8.1 Version: 20.3.5.0.8 Version: 20.3.5.0.9 Version: 20.4.2.2.8 Version: 20.3.5.0.7 Version: 20.6.3.0.7 Version: 20.6.3.0.5 Version: 20.6.3.0.10 Version: 20.6.3.0.2 Version: 20.7.2 Version: 20.9.1EFT2 Version: 20.6.3.0.11 Version: 20.6.3.1 Version: 20.6.3.0.14 Version: 20.6.4 Version: 20.9.1 Version: 20.6.3.0.19 Version: 20.6.3.0.18 Version: 20.3.6 Version: 20.9.1.1 Version: 20.6.3.0.23 Version: 20.6.4.0.4 Version: 20.6.3.0.25 Version: 20.6.5 Version: 20.6.3.0.27 Version: 20.9.2 Version: 20.9.2.1 Version: 20.6.3.0.29 Version: 20.6.3.0.31 Version: 20.6.3.0.32 Version: 20.10.1 Version: 20.6.3.0.33 Version: 20.9.2.0.01 Version: 20.9.1_LI_Images Version: 20.10.1_LI_Images Version: 20.9.2_LI_Images Version: 20.3.7 Version: 20.9.3 Version: 20.6.5.1 Version: 20.11.1 Version: 20.11.1_LI_Images Version: 20.9.3_LI_ Images Version: 20.6.3.1.1 Version: 20.9.3.0.2 Version: 20.6.5.1.2 Version: 20.9.3.0.3 Version: 20.4.2.3 Version: 20.6.3.2 Version: 20.6.4.1 Version: 20.6.3.0.38 Version: 20.6.3.0.39 Version: 20.3.5.1 Version: 20.3.4.3 Version: 20.9.3.1 Version: 20.3.3.2 Version: 20.6.5.2 Version: 20.3.7.1 Version: 20.10.1.1 Version: 20.6.5.2.1 Version: 20.3.4.0.25 Version: 20.6.2.2.4 Version: 20.6.1.2 Version: 20.11.1.1 Version: 20.9.3.0.5 Version: 20.3.4.0.26 Version: 20.6.5.1.3 Version: 20.6.3.0.40 Version: 20.1.3.1 Version: 20.9.2.2 Version: 20.6.5.2.3 Version: 20.6.5.1.4 Version: 20.6.5.3 Version: 20.6.3.0.41 Version: 20.9.3.0.7 Version: 20.6.5.1.5 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}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an unauthenticated, remote attacker to read arbitrary files that are stored in an affected system. The attacker does not need to have valid user credentials.\r\n\r\nThis vulnerability is due to improper handling of XML External Entity (XXE) entries when parsing an XML file. An attacker could exploit this vulnerability by sending a crafted request to an affected system. A successful exploit could allow the attacker to read arbitrary files that are stored in the affected system."
}
],
"exploits": [
{
"lang": "en",
"value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 8.6,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N",
"version": "3.1"
},
"format": "cvssV3_1"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-20",
"description": "Improper Input Validation",
"lang": "en",
"type": "cwe"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-05-14T16:08:46.786Z",
"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"shortName": "cisco"
},
"references": [
{
"name": "cisco-sa-sdwan-mltvnps2-JxpWm7R",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-mltvnps2-JxpWm7R"
},
{
"name": "Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability\u003c/a\u003e was disclosed in February 2026. This new advisory is for a new vulnerability in the control connection handshaking. The \u003ca href=\"#IOC\"\u003eIndicators of Compromise",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-rpa-EHchtZk"
}
],
"source": {
"advisory": "cisco-sa-sdwan-mltvnps2-JxpWm7R",
"defects": [
"CSCwt55544"
],
"discovery": "INTERNAL"
},
"title": "Cisco Catalyst SD-WAN Manager XML External Entity Injection Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"assignerShortName": "cisco",
"cveId": "CVE-2026-20224",
"datePublished": "2026-05-14T16:08:46.786Z",
"dateReserved": "2025-10-08T11:59:15.399Z",
"dateUpdated": "2026-05-14T18:29:53.578Z",
"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.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- 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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