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CVE-2014-2653

Estado: ModificadaMedia (6.5)—

The verify_host_key function in sshconnect.c in the client in OpenSSH 6.6 and earlier allows remote servers to trigger the skipping of SSHFP DNS RR checking by presenting an unacceptable HostCertificate.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Openbsd — Openssh

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2014-2653",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2014-2653",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-05-28T17:42:46.247802Z"
        }
      }
    ],
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.5,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
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        }
      ]
    }
  ],
  "published": "2014-03-27T10:55:04.513",
  "references": [
    {
      "url": "http://advisories.mageia.org/MGASA-2014-0166.html",
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    {
      "url": "http://aix.software.ibm.com/aix/efixes/security/openssh_advisory4.asc",
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    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134026.html",
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    {
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    {
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    {
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    {
      "url": "http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html",
      "source": "cve@mitre.org"
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    {
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    {
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    {
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      "tags": [
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      "source": "cve@mitre.org"
    },
    {
      "url": "http://advisories.mageia.org/MGASA-2014-0166.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://aix.software.ibm.com/aix/efixes/security/openssh_advisory4.asc",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
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    {
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      "url": "http://openwall.com/lists/oss-security/2014/03/26/7",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2014-1552.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2015-0425.html",
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      "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=742513",
      "tags": [
        "Exploit"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    },
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
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    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The verify_host_key function in sshconnect.c in the client in OpenSSH 6.6 and earlier allows remote servers to trigger the skipping of SSHFP DNS RR checking by presenting an unacceptable HostCertificate."
    },
    {
      "lang": "es",
      "value": "La función verify_host_key en sshconnect.c en el cliente en OpenSSH 6.6 y anteriores permite a servidores remotos provocar la evasión de la comprobación SSHFP DNS RR mediante la presentación de HostCertificate no aceptable."
    }
  ],
  "lastModified": "2026-06-17T00:06:58.893",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "ED8E69C2-4499-4ABD-A51C-26933966E52A",
              "versionEndIncluding": "6.6"
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:6.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A9754B4A-3042-49B8-86F7-2D60E25400C9"
            },
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            },
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            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:6.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FCEE2677-16EE-484F-B2FB-FCA377E0D76B"
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:6.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "90798B9A-A1C6-4EC5-96BF-AF9C6FEFB63D"
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:6.5:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5A8ABE51-1535-44D9-B2A1-CC91021A29D9"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}