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CVE-2016-6332

Estado: ModificadaAlta (7.5)—

MediaWiki en versiones anteriores a 1.23.15, 1.26.x en versiones anteriores a 1.26.4 y1.27.x en versiones anteriores a 1.27.1, cuando $wgBlockDisablesLogin es verdadera, podría permitir a atacantes remotos obtener información sensible mediante el aprovechamiento del fallo de finalizar las sesiones cuando se bloquea una cuenta de usuario.

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)

Mediawiki — Mediawiki

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2016-6332",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2017-04-20T17:59:00.603",
  "references": [
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1369613",
      "tags": [
        "Issue Tracking"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://lists.wikimedia.org/pipermail/mediawiki-announce/2016-August/000195.html",
      "tags": [
        "Mailing List",
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://phabricator.wikimedia.org/T129738",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1369613",
      "tags": [
        "Issue Tracking"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.wikimedia.org/pipermail/mediawiki-announce/2016-August/000195.html",
      "tags": [
        "Mailing List",
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://phabricator.wikimedia.org/T129738",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "MediaWiki before 1.23.15, 1.26.x before 1.26.4, and 1.27.x before 1.27.1, when $wgBlockDisablesLogin is true, might allow remote attackers to obtain sensitive information by leveraging failure to terminate sessions when a user account is blocked."
    },
    {
      "lang": "es",
      "value": "MediaWiki en versiones anteriores a 1.23.15, 1.26.x en versiones anteriores a 1.26.4 y1.27.x en versiones anteriores a 1.27.1, cuando $wgBlockDisablesLogin es verdadera, podría permitir a atacantes remotos obtener información sensible mediante el aprovechamiento del fallo de finalizar las sesiones cuando se bloquea una cuenta de usuario."
    }
  ],
  "lastModified": "2026-06-17T00:50:50.623",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F26807BC-B2F2-480D-B5B1-C2D64933A0C8",
              "versionEndIncluding": "1.23.14"
            },
            {
              "criteria": "cpe:2.3:a:mediawiki:mediawiki:1.26.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7B418525-DAC2-461A-B931-BED05CC3AFBF"
            },
            {
              "criteria": "cpe:2.3:a:mediawiki:mediawiki:1.26.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8C238723-5592-4F0F-869D-91B64DD14FBF"
            },
            {
              "criteria": "cpe:2.3:a:mediawiki:mediawiki:1.26.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "22685E70-3EE0-484B-8A4C-139C28BDD2B1"
            },
            {
              "criteria": "cpe:2.3:a:mediawiki:mediawiki:1.26.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3BD0A725-B06B-456D-8A8B-9DA5468935FA"
            },
            {
              "criteria": "cpe:2.3:a:mediawiki:mediawiki:1.26.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7ED98FFC-4397-4F27-AC36-BB7A42A92F89"
            },
            {
              "criteria": "cpe:2.3:a:mediawiki:mediawiki:1.27.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F75E06F7-6D23-4BEB-80B4-3DE33193CA95"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}