{"api_version":"1","generated_at":"2026-04-22T12:55:16+00:00","cve":"CVE-2011-2005","urls":{"html":"https://cve.report/CVE-2011-2005","api":"https://cve.report/api/cve/CVE-2011-2005.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2011-2005","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2011-2005"},"summary":{"title":"CVE-2011-2005","description":"afd.sys in the Ancillary Function Driver in Microsoft Windows XP SP2 and SP3 and Server 2003 SP2 does not properly validate user-mode input passed to kernel mode, which allows local users to gain privileges via a crafted application, aka \"Ancillary Function Driver Elevation of Privilege Vulnerability.\"","state":"PUBLISHED","assigner":"microsoft","published_at":"2011-10-12 02:52:43","updated_at":"2026-04-22 10:35:58"},"problem_types":["NVD-CWE-noinfo","n/a","CWE-noinfo Not enough information"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"ADP","type":"DECLARED","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","data":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"}},{"version":"3.1","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"2.0","source":"nvd@nist.gov","type":"Primary","score":"7.2","severity":"","vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","data":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:C/I:C/A:C","baseScore":7.2,"accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE"}}],"references":[{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-080","name":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-080","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"],"title":"Microsoft Security Bulletin MS11-080 - Important | Microsoft Docs","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13114","name":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13114","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Broken Link"],"title":"Repository  /  Oval Repository","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2011-2005","name":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2011-2005","refsource":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":["US Government Resource"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-2005","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-2005","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"n/a","product":"n/a","version":"affected n/a","platforms":[]}],"timeline":[{"source":"ADP","time":"2022-03-28T00:00:00.000Z","lang":"en","value":"CVE-2011-2005 added to CISA KEV"}],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2011","cve_id":"2005","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_server_2003","cpe6":"-","cpe7":"sp2","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"2005","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_xp","cpe6":"-","cpe7":"sp2","cpe8":"*","cpe9":"*","cpe10":"professional","cpe11":"*","cpe12":"x64","cpe13":"*"},{"cve_year":"2011","cve_id":"2005","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_xp","cpe6":"-","cpe7":"sp3","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":{"cve_year":"2011","cve_id":"2005","cve":"CVE-2011-2005","vendorProject":"Microsoft","product":"Ancillary Function Driver (afd.sys)","vulnerabilityName":"Microsoft Ancillary Function Driver (afd.sys) Improper Input Validation Vulnerability","dateAdded":"2022-03-28","shortDescription":"afd.sys in the Ancillary Function Driver in Microsoft Windows does not properly validate user-mode input passed to kernel mode, which allows local users to gain privileges via a crafted application.","requiredAction":"Apply updates per vendor instructions.","dueDate":"2022-04-18","knownRansomwareCampaignUse":"Unknown","notes":"https://nvd.nist.gov/vuln/detail/CVE-2011-2005","cwes":"CWE-264","catalogVersion":"2026.04.21","updated_at":"2026-04-21 13:32:18"},"epss":{"cve_year":"2011","cve_id":"2005","cve":"CVE-2011-2005","epss":"0.670890000","percentile":"0.985620000","score_date":"2026-04-21","updated_at":"2026-04-22 00:07:39"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-06T22:46:00.910Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"name":"oval:org.mitre.oval:def:13114","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"],"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13114"},{"name":"MS11-080","tags":["vendor-advisory","x_refsource_MS","x_transferred"],"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-080"}],"title":"CVE Program Container"},{"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"}},{"other":{"content":{"id":"CVE-2011-2005","options":[{"Exploitation":"active"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2025-02-10T19:02:58.169093Z","version":"2.0.3"},"type":"ssvc"}},{"other":{"content":{"dateAdded":"2022-03-28","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2011-2005"},"type":"kev"}}],"problemTypes":[{"descriptions":[{"description":"CWE-noinfo Not enough information","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2025-10-22T00:05:49.314Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"references":[{"tags":["government-resource"],"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2011-2005"}],"timeline":[{"lang":"en","time":"2022-03-28T00:00:00.000Z","value":"CVE-2011-2005 added to CISA KEV"}],"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"datePublic":"2011-10-11T00:00:00.000Z","descriptions":[{"lang":"en","value":"afd.sys in the Ancillary Function Driver in Microsoft Windows XP SP2 and SP3 and Server 2003 SP2 does not properly validate user-mode input passed to kernel mode, which allows local users to gain privileges via a crafted application, aka \"Ancillary Function Driver Elevation of Privilege Vulnerability.\""}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2018-10-12T19:57:01.000Z","orgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","shortName":"microsoft"},"references":[{"name":"oval:org.mitre.oval:def:13114","tags":["vdb-entry","signature","x_refsource_OVAL"],"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13114"},{"name":"MS11-080","tags":["vendor-advisory","x_refsource_MS"],"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-080"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"secure@microsoft.com","ID":"CVE-2011-2005","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"afd.sys in the Ancillary Function Driver in Microsoft Windows XP SP2 and SP3 and Server 2003 SP2 does not properly validate user-mode input passed to kernel mode, which allows local users to gain privileges via a crafted application, aka \"Ancillary Function Driver Elevation of Privilege Vulnerability.\""}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"oval:org.mitre.oval:def:13114","refsource":"OVAL","url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13114"},{"name":"MS11-080","refsource":"MS","url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-080"}]}}}},"cveMetadata":{"assignerOrgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","assignerShortName":"microsoft","cveId":"CVE-2011-2005","datePublished":"2011-10-12T01:00:00.000Z","dateReserved":"2011-05-09T00:00:00.000Z","dateUpdated":"2025-10-22T00:05:49.314Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"nvd":{"publishedDate":"2011-10-12 02:52:43","lastModifiedDate":"2026-04-22 10:35:58","problem_types":["NVD-CWE-noinfo","n/a","CWE-noinfo Not enough information"],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:C/I:C/A:C","baseScore":7.2,"accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE"},"baseSeverity":"HIGH","exploitabilityScore":3.9,"impactScore":10,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_server_2003:-:sp2:*:*:*:*:*:*","matchCriteriaId":"1D929AA2-EE0B-4AA1-805D-69BCCA11B77F"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:professional:*:x64:*","matchCriteriaId":"C6109348-BC79-4ED3-8D41-EA546A540C79"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_xp:-:sp3:*:*:*:*:*:*","matchCriteriaId":"C9392D35-7BF5-48E9-879B-BBDE9A9E9AB9"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2011","CveId":"2005","Ordinal":"1","Title":"CVE-2011-2005","CVE":"CVE-2011-2005","Year":"2011"},"notes":[{"CveYear":"2011","CveId":"2005","Ordinal":"1","NoteData":"afd.sys in the Ancillary Function Driver in Microsoft Windows XP SP2 and SP3 and Server 2003 SP2 does not properly validate user-mode input passed to kernel mode, which allows local users to gain privileges via a crafted application, aka \"Ancillary Function Driver Elevation of Privilege Vulnerability.\"","Type":"Description","Title":"CVE-2011-2005"},{"CveYear":"2011","CveId":"2005","Ordinal":"2","NoteData":"2011-10-11","Type":"Other","Title":"Published"},{"CveYear":"2011","CveId":"2005","Ordinal":"3","NoteData":"2018-10-12","Type":"Other","Title":"Modified"}]}}}