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"EBA4FDC8-2F1B-4054-82BC-B79566ABE8E6", "vulnerable": true}, {"criteria": "cpe:2.3:a:mediawiki:mediawiki:1.16.0:beta2:*:*:*:*:*:*", "matchCriteriaId": "62B86D8D-5E7A-43F5-9B6A-944ED4B8E4E8", "vulnerable": true}, {"criteria": "cpe:2.3:a:mediawiki:mediawiki:1.16.1:*:*:*:*:*:*:*", "matchCriteriaId": "63FD259B-921D-46BF-BE6E-F963288D92F3", "vulnerable": true}, {"criteria": "cpe:2.3:a:mediawiki:mediawiki:1.16.2:*:*:*:*:*:*:*", "matchCriteriaId": "5B163E10-BD02-481B-A78E-E4678C57CC75", "vulnerable": true}, {"criteria": "cpe:2.3:a:mediawiki:mediawiki:1.16.3:*:*:*:*:*:*:*", "matchCriteriaId": "973D14D0-E5B5-499D-9F13-B3201D81E5C0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "includes/User.php in MediaWiki before 1.16.5, when wgBlockDisablesLogin is enabled, does not clear certain cached data after verification of an auth token fails, which allows remote attackers to bypass authentication by creating crafted wikiUserID and wikiUserName cookies, or by leveraging an unattended workstation."}, {"lang": "es", "value": "includes/User.php en MediaWiki anterior a v1.16.5, cuando wgBlockDisablesLogin es activado, no limpia ciertos datos de cach\u00e9 despu\u00e9s de verificar un fallo de un token auth, lo que permite a atacantes remotos evitar la autenticaci\u00f3n creando un wikiUserID manipulado y cookies wikiUserName, o mediante el aprovechamiento de una estaci\u00f3n de trabajo sin vigilancia."}], "id": "CVE-2011-1766", "lastModified": "2026-04-29T01:13:23.040", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2011-05-23T22:55:01.367", "references": [{"source": "secalert@redhat.com", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060435.html"}, {"source": "secalert@redhat.com", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060496.html"}, {"source": "secalert@redhat.com", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060507.html"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://lists.wikimedia.org/pipermail/mediawiki-announce/2011-May/000098.html"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/44684"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/bid/47722"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=702512"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "https://bugzilla.wikimedia.org/show_bug.cgi?id=28639"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060435.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060496.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060507.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://lists.wikimedia.org/pipermail/mediawiki-announce/2011-May/000098.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/44684"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/47722"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=702512"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://bugzilla.wikimedia.org/show_bug.cgi?id=28639"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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