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CVE-2014-2532

Estado: ModificadaMedia (4.2)—

sshd in OpenSSH before 6.6 does not properly support wildcards on AcceptEnv lines in sshd_config, which allows remote attackers to bypass intended environment restrictions by using a substring located before a wildcard character.

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 (2)

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2014-2532",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2014-2532",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-05-28T17:40:36.482638Z"
        }
      }
    ],
    "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
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.0",
          "baseScore": 4.9,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 1.8
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.2,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.5,
        "exploitabilityScore": 1.6
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2014-03-18T05:18:19.000",
  "references": [
    {
      "url": "http://advisories.mageia.org/MGASA-2014-0143.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://aix.software.ibm.com/aix/efixes/security/openssh_advisory4.asc",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134026.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2014-May/133537.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://marc.info/?l=bugtraq&m=141576985122836&w=2",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://marc.info/?l=openbsd-security-announce&m=139492048027313&w=2",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2014-1552.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/57488",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/57574",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/59313",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/59855",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.debian.org/security/2014/dsa-2894",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2014:068",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2015:095",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/66355",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securitytracker.com/id/1029925",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-2155-1",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/91986",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://support.apple.com/HT205267",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://advisories.mageia.org/MGASA-2014-0143.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"
    },
    {
      "url": "http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134026.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2014-May/133537.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://marc.info/?l=bugtraq&m=141576985122836&w=2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://marc.info/?l=openbsd-security-announce&m=139492048027313&w=2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2014-1552.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/57488",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/57574",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/59313",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/59855",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.debian.org/security/2014/dsa-2894",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2014:068",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2015:095",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/66355",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1029925",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-2155-1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/91986",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/HT205267",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-264"
        }
      ]
    },
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        },
        {
          "lang": "en",
          "value": "CWE-266"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "sshd in OpenSSH before 6.6 does not properly support wildcards on AcceptEnv lines in sshd_config, which allows remote attackers to bypass intended environment restrictions by using a substring located before a wildcard character."
    },
    {
      "lang": "es",
      "value": "sshd en OpenSSH anterior a 6.6 no soporta debidamente comodines en líneas AcceptEnv en sshd_config, lo que permite a atacantes remotos evadir restricciones de entorno mediante el uso de una subcadena localizada antes de un caracter de comodín."
    }
  ],
  "lastModified": "2026-06-17T00:06:46.293",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:oracle:communications_user_data_repository:10.0.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0473C6C9-B0C5-43F0-AC8C-C0DAD30DACF8"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "87697D9A-08E0-462D-ABAC-71A48036CE69",
              "versionEndIncluding": "6.5"
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:6.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A9754B4A-3042-49B8-86F7-2D60E25400C9"
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:6.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3872787F-2C1C-40C0-B9CF-A3C0CEAAB400"
            },
            {
              "criteria": "cpe:2.3:a:openbsd:openssh:6.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "39D1E296-3040-4CC9-B95B-3E07D73F1150"
            },
            {
              "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"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}