FKIE_CVE-2016-6337

Vulnerability from fkie_nvd - Published: 2017-04-20 17:59 - Updated: 2026-06-17 00:50
Severity
7.5 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Summary
MediaWiki 1.27.x before 1.27.1 might allow remote attackers to bypass intended session access restrictions by leveraging a call to the UserGetRights function after Session::getAllowedUserRights.
References
secalert@redhat.comhttps://lists.wikimedia.org/pipermail/mediawiki-announce/2016-August/000195.htmlMailing List, Patch, Vendor Advisory
secalert@redhat.comhttps://phabricator.wikimedia.org/T139670Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.wikimedia.org/pipermail/mediawiki-announce/2016-August/000195.htmlMailing List, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://phabricator.wikimedia.org/T139670Patch, Third Party Advisory
Impacted products
Vendor Product Version
mediawiki mediawiki 1.27.0
To clipboard 

{
  "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:mediawiki:mediawiki:1.27.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "F75E06F7-6D23-4BEB-80B4-3DE33193CA95",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "MediaWiki 1.27.x before 1.27.1 might allow remote attackers to bypass intended session access restrictions by leveraging a call to the UserGetRights function after Session::getAllowedUserRights."
    },
    {
      "lang": "es",
      "value": "MediaWiki 1.27.x en versiones anteriores a 1.27.1 podr\u00eda permitir a los atacantes remotos eludir las restricciones destinadas al acceso de sesi\u00f3n aprovechando una llamada a la funci\u00f3n UserGetRights despu\u00e9s de Session::getAllowedUserRights."
    }
  ],
  "id": "CVE-2016-6337",
  "lastModified": "2026-06-17T00:50:51.147",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/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
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2017-04-20T17:59:00.790",
  "references": [
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Mailing List",
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://lists.wikimedia.org/pipermail/mediawiki-announce/2016-August/000195.html"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://phabricator.wikimedia.org/T139670"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://lists.wikimedia.org/pipermail/mediawiki-announce/2016-August/000195.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://phabricator.wikimedia.org/T139670"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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