CVE-2022-45047 (GCVE-0-2022-45047)
Vulnerability from cvelistv5
Published
2022-11-16 00:00
Modified
2026-05-01 15:28
Severity ?
CWE
  • CWE-502 - Deserialization of Untrusted Data
Summary
Class org.apache.sshd.server.keyprovider.SimpleGeneratorHostKeyProvider in Apache MINA SSHD <= 2.9.1 uses Java deserialization to load a serialized java.security.PrivateKey. The class is one of several implementations that an implementor using Apache MINA SSHD can choose for loading the host keys of an SSH server.
References
Impacted products
Vendor Product Version
Apache Software Foundation Apache MINA SSHD Version: unspecified   <
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{
  "containers": {
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        "providerMetadata": {
          "dateUpdated": "2024-08-03T14:01:31.528Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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            "url": "https://www.mail-archive.com/dev%40mina.apache.org/msg39312.html"
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            "url": "https://security.netapp.com/advisory/ntap-20240216-0008/"
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        "title": "CVE Program Container"
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        "metrics": [
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            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 9.8,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
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                "id": "CVE-2022-45047",
                "options": [
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                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-01T03:55:36.395675Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
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          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-01T15:28:31.575Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Apache MINA SSHD",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThanOrEqual": "2.9.1",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
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          ]
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      ],
      "credits": [
        {
          "lang": "en",
          "value": "The Apache MINA SSHD team would like to thank Zhang Zewei, NOFOCUS, for reporting this issue."
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Class org.apache.sshd.server.keyprovider.SimpleGeneratorHostKeyProvider in Apache MINA SSHD \u003c= 2.9.1 uses Java deserialization to load a serialized java.security.PrivateKey. The class is one of several implementations that an implementor using Apache MINA SSHD can choose for loading the host keys of an SSH server."
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      "metrics": [
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            "content": {
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            "type": "unknown"
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      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-502",
              "description": "CWE-502 Deserialization of Untrusted Data",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-02-16T13:06:09.825Z",
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "shortName": "apache"
      },
      "references": [
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          "url": "https://www.mail-archive.com/dev%40mina.apache.org/msg39312.html"
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        {
          "url": "https://security.netapp.com/advisory/ntap-20240216-0008/"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Apache MINA SSHD: Java unsafe deserialization vulnerability",
      "workarounds": [
        {
          "lang": "en",
          "value": "For Apache MINA SSHD \u003c= 2.9.1, do not use org.apache.sshd.server.keyprovider.SimpleGeneratorHostKeyProvider to generate and later load your server\u0027s host key. Use separately generated host key files, for instance in OpenSSH format, and load them via a org.apache.sshd.common.keyprovider.FileKeyPairProvider instead. Or use a custom implementation instead of SimpleGeneratorHostKeyProvider that uses the OpenSSH format for storing and loading the host key (via classes OpenSSHKeyPairResourceWriter and OpenSSHKeyPairResourceParser)."
        },
        {
          "lang": "en",
          "value": "The issue was fixed in Apache MINA SSHD 2.9.2."
        }
      ],
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  "cveMetadata": {
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    "assignerShortName": "apache",
    "cveId": "CVE-2022-45047",
    "datePublished": "2022-11-16T00:00:00.000Z",
    "dateReserved": "2022-11-08T00:00:00.000Z",
    "dateUpdated": "2026-05-01T15:28:31.575Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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