FKIE_CVE-2005-2798

Vulnerability from fkie_nvd - Published: 2005-09-06 17:03 - Updated: 2026-06-16 22:15
Severity
Summary
sshd in OpenSSH before 4.2, when GSSAPIDelegateCredentials is enabled, allows GSSAPI credentials to be delegated to clients who log in using non-GSSAPI methods, which could cause those credentials to be exposed to untrusted users or hosts.
References
secalert@redhat.comftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2005.53/SCOSA-2005.53.txt
secalert@redhat.comhttp://lists.suse.com/archive/suse-security-announce/2006-Feb/0001.html
secalert@redhat.comhttp://secunia.com/advisories/16686Patch, Vendor Advisory
secalert@redhat.comhttp://secunia.com/advisories/17077
secalert@redhat.comhttp://secunia.com/advisories/17245
secalert@redhat.comhttp://secunia.com/advisories/18010
secalert@redhat.comhttp://secunia.com/advisories/18406
secalert@redhat.comhttp://secunia.com/advisories/18507
secalert@redhat.comhttp://secunia.com/advisories/18661
secalert@redhat.comhttp://secunia.com/advisories/18717
secalert@redhat.comhttp://securitytracker.com/id?1014845
secalert@redhat.comhttp://support.avaya.com/elmodocs2/security/ASA-2006-016.htm
secalert@redhat.comhttp://support.avaya.com/elmodocs2/security/ASA-2006-033.htm
secalert@redhat.comhttp://www.mandriva.com/security/advisories?name=MDKSA-2005:172
secalert@redhat.comhttp://www.mindrot.org/pipermail/openssh-unix-announce/2005-September/000083.html
secalert@redhat.comhttp://www.osvdb.org/19141
secalert@redhat.comhttp://www.redhat.com/support/errata/RHSA-2005-527.html
secalert@redhat.comhttp://www.securityfocus.com/archive/1/421411/100/0/threaded
secalert@redhat.comhttp://www.securityfocus.com/bid/14729
secalert@redhat.comhttp://www.vupen.com/english/advisories/2006/0144
secalert@redhat.comhttps://exchange.xforce.ibmcloud.com/vulnerabilities/24064
secalert@redhat.comhttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1345
secalert@redhat.comhttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1566
secalert@redhat.comhttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9717
secalert@redhat.comhttps://usn.ubuntu.com/209-1/
af854a3a-2127-422b-91ae-364da2661108ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2005.53/SCOSA-2005.53.txt
af854a3a-2127-422b-91ae-364da2661108http://lists.suse.com/archive/suse-security-announce/2006-Feb/0001.html
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/16686Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/17077
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/17245
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/18010
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/18406
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/18507
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/18661
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/18717
af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/id?1014845
af854a3a-2127-422b-91ae-364da2661108http://support.avaya.com/elmodocs2/security/ASA-2006-016.htm
af854a3a-2127-422b-91ae-364da2661108http://support.avaya.com/elmodocs2/security/ASA-2006-033.htm
af854a3a-2127-422b-91ae-364da2661108http://www.mandriva.com/security/advisories?name=MDKSA-2005:172
af854a3a-2127-422b-91ae-364da2661108http://www.mindrot.org/pipermail/openssh-unix-announce/2005-September/000083.html
af854a3a-2127-422b-91ae-364da2661108http://www.osvdb.org/19141
af854a3a-2127-422b-91ae-364da2661108http://www.redhat.com/support/errata/RHSA-2005-527.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/421411/100/0/threaded
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/14729
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2006/0144
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/24064
af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1345
af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1566
af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9717
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/209-1/

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:3.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "580008AC-2667-4708-8F7E-D70416A460EE",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:3.0.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "E05D8E86-EC01-4589-B372-4DEB7845C81F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:3.0.1p1:*:*:*:*:*:*:*",
              "matchCriteriaId": "764AD252-CA2F-4A87-BCAA-7747E8C410E0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:3.0.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "CFFAA075-4277-4FD8-8A5A-867EEE1BA2F4",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:3.0.2p1:*:*:*:*:*:*:*",
              "matchCriteriaId": "269BB9F7-55E5-4CB3-8429-C37C7132799F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:3.0p1:*:*:*:*:*:*:*",
              "matchCriteriaId": "C6E6F639-31A0-4026-B6D4-51BA79FB1D20",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "0211BCE3-0DED-40BA-8A21-1A97B91F71C7",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "B4EE9E4B-CABC-4EA2-9075-CC23CEB1B0A3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:3.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "5AD7BB30-AC79-4153-852C-1053DCF4DE53",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:3.2.2p1:*:*:*:*:*:*:*",
              "matchCriteriaId": "9E188C66-C8F1-4C13-AAFF-7C83B2A884B8",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:3.2.3p1:*:*:*:*:*:*:*",
              "matchCriteriaId": "9039BE91-AF0A-41E7-8F9F-15375890E120",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:3.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "08BCB2EA-DF9D-4853-805B-29FA6274E2B7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:3.3p1:*:*:*:*:*:*:*",
              "matchCriteriaId": "0F93417F-2498-4576-9F5D-B59F77D39669",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:3.4:*:*:*:*:*:*:*",
              "matchCriteriaId": "AF3AB42C-B614-4746-99AD-E94140D91BF3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:3.4p1:*:*:*:*:*:*:*",
              "matchCriteriaId": "458167E5-9BC2-40BE-AC8A-9761A4F19494",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:3.5:*:*:*:*:*:*:*",
              "matchCriteriaId": "3FB9B4C7-4235-4388-8E5D-E72ECCC37A7E",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:3.5p1:*:*:*:*:*:*:*",
              "matchCriteriaId": "86ACA0ED-A3D0-48A7-B06F-13709AD23B55",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:3.6:*:*:*:*:*:*:*",
              "matchCriteriaId": "0FEB9262-D05E-4610-9C79-3EDE44AC7C0B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:3.6.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "8176879B-1875-4AC9-B15A-2ABCFCD04F88",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:3.6.1p1:*:*:*:*:*:*:*",
              "matchCriteriaId": "FAA26A12-F96A-4025-BBCA-72B7A3B1E60C",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:3.6.1p2:*:*:*:*:*:*:*",
              "matchCriteriaId": "A02751E9-2D38-4495-9572-8D84D71D4773",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:3.7:*:*:*:*:*:*:*",
              "matchCriteriaId": "7A36BEA2-DAE4-423C-8D85-0F6036351F98",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:3.7.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "80DC64F6-FE28-44BA-91D1-EC2DB11B2CFC",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:3.7.1p2:*:*:*:*:*:*:*",
              "matchCriteriaId": "44CCF5CD-B434-4392-A79A-C1945D2AE30A",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:3.8:*:*:*:*:*:*:*",
              "matchCriteriaId": "AEB456B8-9D8B-4985-858D-6A43FA5EE2E9",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:3.8.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "2BD4E0F6-4EEA-4EC7-83E7-FC6F7D2E7A3C",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:3.8.1p1:*:*:*:*:*:*:*",
              "matchCriteriaId": "C35F4ABE-1B0C-4195-8F99-BF993A17882B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:3.9:*:*:*:*:*:*:*",
              "matchCriteriaId": "ADC7352D-2916-47F7-A256-F897D763DC9B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:3.9.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "AEC3FC36-B246-4DCB-8984-228525D9A356",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:3.9.1p1:*:*:*:*:*:*:*",
              "matchCriteriaId": "BC861000-37D8-4B0F-BFA0-57E9BE125B56",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:4.0p1:*:*:*:*:*:*:*",
              "matchCriteriaId": "5EBE75FE-DDE2-43BA-80EF-15A6698EABC9",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:4.1p1:*:*:*:*:*:*:*",
              "matchCriteriaId": "683B26F0-5EA2-455A-8948-27C100BBA3AC",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "sshd in OpenSSH before 4.2, when GSSAPIDelegateCredentials is enabled, allows GSSAPI credentials to be delegated to clients who log in using non-GSSAPI methods, which could cause those credentials to be exposed to untrusted users or hosts."
    }
  ],
  "id": "CVE-2005-2798",
  "lastModified": "2026-06-16T22:15:42.087",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2005-09-06T17:03:00.000",
  "references": [
    {
      "source": "secalert@redhat.com",
      "url": "ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2005.53/SCOSA-2005.53.txt"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://lists.suse.com/archive/suse-security-announce/2006-Feb/0001.html"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/16686"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://secunia.com/advisories/17077"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://secunia.com/advisories/17245"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://secunia.com/advisories/18010"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://secunia.com/advisories/18406"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://secunia.com/advisories/18507"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://secunia.com/advisories/18661"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://secunia.com/advisories/18717"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://securitytracker.com/id?1014845"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://support.avaya.com/elmodocs2/security/ASA-2006-016.htm"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://support.avaya.com/elmodocs2/security/ASA-2006-033.htm"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.mandriva.com/security/advisories?name=MDKSA-2005:172"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.mindrot.org/pipermail/openssh-unix-announce/2005-September/000083.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.osvdb.org/19141"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.redhat.com/support/errata/RHSA-2005-527.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.securityfocus.com/archive/1/421411/100/0/threaded"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.securityfocus.com/bid/14729"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.vupen.com/english/advisories/2006/0144"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/24064"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1345"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1566"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9717"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://usn.ubuntu.com/209-1/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2005.53/SCOSA-2005.53.txt"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.suse.com/archive/suse-security-announce/2006-Feb/0001.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/16686"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/17077"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/17245"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/18010"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/18406"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/18507"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/18661"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/18717"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://securitytracker.com/id?1014845"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://support.avaya.com/elmodocs2/security/ASA-2006-016.htm"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://support.avaya.com/elmodocs2/security/ASA-2006-033.htm"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.mandriva.com/security/advisories?name=MDKSA-2005:172"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.mindrot.org/pipermail/openssh-unix-announce/2005-September/000083.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.osvdb.org/19141"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.redhat.com/support/errata/RHSA-2005-527.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/archive/1/421411/100/0/threaded"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/14729"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.vupen.com/english/advisories/2006/0144"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/24064"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1345"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1566"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9717"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://usn.ubuntu.com/209-1/"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vendorComments": [
    {
      "comment": "This issue does not affect Red Hat Enterprise Linux 2.1 and 3.\n\nThis flaw was fixed in Red Hat Enterprise Linux 4 via errata RHSA-2005:527:\nhttp://rhn.redhat.com/errata/RHSA-2005-527.html",
      "lastModified": "2006-11-20T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Taxonomy of the tags.


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Detection rules are retrieved from Rulezet.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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