{
  "id": "CVE-2021-36127",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2021-07-02T13:15:07.817",
  "lastModified": "2021-07-07T17:07:49.253",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in the CentralAuth extension in MediaWiki through 1.36. The Special:GlobalUserRights page provided search results which, for a suppressed MediaWiki user, were different than for any other user, thus easily disclosing suppressed accounts (which are supposed to be completely hidden)."
    },
    {
      "lang": "es",
      "value": "Se ha detectado un problema en la extensi\u00f3n CentralAuth en MediaWiki versiones hasta 1.36. La p\u00e1gina Special:GlobalUserRights proporcionaba resultados de b\u00fasqueda que, para un usuario suprimido de MediaWiki, eran diferentes a los de cualquier otro usuario, revelando as\u00ed f\u00e1cilmente las cuentas suprimidas (que se supone que est\u00e1n completamente ocultas)"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "SINGLE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.0,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-922"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "1.36",
              "matchCriteriaId": "E1C62AE2-E1C5-4E32-A222-CCF9024B45D3"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://gerrit.wikimedia.org/r/q/I4e4dbcad61e1d4f6fd8b038bf63d19c69081a8ec",
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://phabricator.wikimedia.org/T285190",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Patch",
        "Vendor Advisory"
      ]
    }
  ]
}