{"containers": {"cna": {"title": "Active Directory Domain Services Elevation of Privilege Vulnerability", "datePublic": "2021-11-09T08:00:00.000Z", "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.0.17763.0", "versionEndExcluding": "10.0.17763.2300"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.0.17763.0", "versionEndExcluding": "10.0.17763.2300"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.0.20348.0", "versionEndExcluding": "10.0.20348.350"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2004:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.0.0", "versionEndExcluding": "10.0.19041.1348"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_20H2:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.0.0", "versionEndExcluding": "10.0.19041.1348"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.0.14393.0", "versionEndExcluding": "10.0.14393.4770"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.0.14393.0", "versionEndExcluding": "10.0.14393.4770"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2008_sp2:*:*:*:*:*:*:x64:*", "versionStartIncluding": "6.0.6003.0", "versionEndExcluding": "6.0.6003.21282"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2008_sp2:*:*:*:*:*:*:x64:*", "versionStartIncluding": "6.0.6003.0", "versionEndExcluding": "6.0.6003.21282"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2008_R2:*:*:*:*:*:*:x64:*", "versionStartIncluding": "6.1.7601.0", "versionEndExcluding": "6.1.7601.25769"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2008_R2:*:*:*:*:*:*:x64:*", "versionStartIncluding": "6.1.7601.0", "versionEndExcluding": "6.1.7601.25769"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*", "versionStartIncluding": "6.2.9200.0", "versionEndExcluding": "6.2.9200.23517"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*", "versionStartIncluding": "6.2.9200.0", "versionEndExcluding": "6.2.9200.23517"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*", "versionStartIncluding": "6.3.9600.0", "versionEndExcluding": "6.3.9600.20174"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*", "versionStartIncluding": "6.3.9600.0", "versionEndExcluding": "6.3.9600.20174"}]}]}], "affected": [{"vendor": "Microsoft", "product": "Windows Server 2008 R2 Service Pack 1", "platforms": ["x64-based Systems"], "versions": [{"version": "6.1.7601.0", "lessThan": "6.1.7601.25769", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows Server 2008 R2 Service Pack 1 (Server Core installation)", "platforms": ["x64-based Systems"], "versions": [{"version": "6.1.7601.0", "lessThan": "6.1.7601.25769", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows Server 2008 Service Pack 2", "platforms": ["32-bit Systems", "x64-based Systems"], "versions": [{"version": "6.0.6003.0", "lessThan": "6.0.6003.21282", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows Server 2008 Service Pack 2 (Server Core installation)", "platforms": ["32-bit Systems", "x64-based Systems"], "versions": [{"version": "6.0.6003.0", "lessThan": "6.0.6003.21282", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows Server 2012", "platforms": ["x64-based Systems"], "versions": [{"version": "6.2.9200.0", "lessThan": "6.2.9200.23517", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows Server 2012 (Server Core installation)", "platforms": ["x64-based Systems"], "versions": [{"version": "6.2.9200.0", "lessThan": "6.2.9200.23517", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows Server 2012 R2", "platforms": ["x64-based Systems"], "versions": [{"version": "6.3.9600.0", "lessThan": "6.3.9600.20174", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows Server 2012 R2 (Server Core installation)", "platforms": ["x64-based Systems"], "versions": [{"version": "6.3.9600.0", "lessThan": "6.3.9600.20174", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows Server 2016", "platforms": ["x64-based Systems"], "versions": [{"version": "10.0.14393.0", "lessThan": "10.0.14393.4770", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows Server 2016 (Server Core installation)", "platforms": ["x64-based Systems"], "versions": [{"version": "10.0.14393.0", "lessThan": "10.0.14393.4770", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows Server 2019", "platforms": ["x64-based Systems"], "versions": [{"version": "10.0.17763.0", "lessThan": "10.0.17763.2300", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows Server 2019 (Server Core installation)", "platforms": ["x64-based Systems"], "versions": [{"version": "10.0.17763.0", "lessThan": "10.0.17763.2300", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows Server 2022", "platforms": ["x64-based Systems"], "versions": [{"version": "10.0.20348.0", "lessThan": "10.0.20348.350", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows Server version 2004", "platforms": ["x64-based Systems"], "versions": [{"version": "10.0.0", "lessThan": "10.0.19041.1348", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows Server version 20H2", "platforms": ["x64-based Systems"], "versions": [{"version": "10.0.0", "lessThan": "10.0.19041.1348", "versionType": "custom", "status": "affected"}]}], "descriptions": [{"value": "Active Directory Domain Services Elevation of Privilege Vulnerability", "lang": "en-US"}], "problemTypes": [{"descriptions": [{"description": "Elevation of Privilege", "lang": "en-US", "type": "Impact"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-08-19T16:27:20.889Z"}, "references": [{"name": "Active Directory Domain Services Elevation of Privilege Vulnerability", "tags": ["vendor-advisory", "patch"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-42287"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseSeverity": "HIGH", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T03:30:37.929Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42287"}]}, {"problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-noinfo Not enough information"}]}], "references": [{"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-42287", "tags": ["government-resource"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-08-19T00:00:00+00:00", "options": [{"Exploitation": "active"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2021-42287"}}}, {"other": {"type": "kev", "content": {"dateAdded": "2022-04-11", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-42287"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-06T03:55:19.805Z"}}]}, "cveMetadata": {"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "assignerShortName": "microsoft", "cveId": "CVE-2021-42287", "datePublished": "2021-11-10T00:47:20.000Z", "dateReserved": "2021-10-12T00:00:00.000Z", "dateUpdated": "2026-08-19T16:27:20.889Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.2"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42287", "tags": ["x_refsource_MISC", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T03:30:37.929Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-42287", "role": "CISA Coordinator", "options": [{"Exploitation": "active"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-12-20T04:56:06.847529Z"}}}, {"other": {"type": "kev", "content": {"dateAdded": "2022-04-11", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-42287"}}}], "references": [{"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-42287", "tags": ["government-resource"]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "description": "CWE-noinfo Not enough information"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-02-04T18:04:44.009Z"}}], "cna": {"title": "Active Directory Domain Services Elevation of Privilege Vulnerability", "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "baseScore": 7.5, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}, "scenarios": [{"lang": "en-US", "value": "GENERAL"}]}], "affected": [{"vendor": "Microsoft", "product": "Windows Server 2008 R2 Service Pack 1", "versions": [{"status": "affected", "version": "6.1.7601.0", "lessThan": "6.1.7601.25769", "versionType": "custom"}], "platforms": ["x64-based Systems"]}, {"vendor": "Microsoft", "product": "Windows Server 2008 R2 Service Pack 1 (Server Core installation)", "versions": [{"status": "affected", "version": "6.1.7601.0", "lessThan": "6.1.7601.25769", "versionType": "custom"}], "platforms": ["x64-based Systems"]}, {"vendor": "Microsoft", "product": "Windows Server 2008 Service Pack 2", "versions": [{"status": "affected", "version": "6.0.6003.0", "lessThan": "6.0.6003.21282", "versionType": "custom"}], "platforms": ["32-bit Systems", "x64-based Systems"]}, {"vendor": "Microsoft", "product": "Windows Server 2008 Service Pack 2 (Server Core installation)", "versions": [{"status": "affected", "version": "6.0.6003.0", "lessThan": "6.0.6003.21282", "versionType": "custom"}], "platforms": ["32-bit Systems", "x64-based Systems"]}, {"vendor": "Microsoft", "product": "Windows Server 2012", "versions": [{"status": "affected", "version": "6.2.9200.0", "lessThan": "6.2.9200.23517", "versionType": "custom"}], "platforms": ["x64-based Systems"]}, {"vendor": "Microsoft", "product": "Windows Server 2012 (Server Core installation)", "versions": [{"status": "affected", "version": "6.2.9200.0", "lessThan": "6.2.9200.23517", "versionType": "custom"}], "platforms": ["x64-based Systems"]}, {"vendor": "Microsoft", "product": "Windows Server 2012 R2", "versions": [{"status": "affected", "version": "6.3.9600.0", "lessThan": "6.3.9600.20174", "versionType": "custom"}], "platforms": ["x64-based Systems"]}, {"vendor": "Microsoft", "product": "Windows Server 2012 R2 (Server Core installation)", "versions": [{"status": "affected", "version": "6.3.9600.0", "lessThan": "6.3.9600.20174", "versionType": "custom"}], "platforms": ["x64-based Systems"]}, {"vendor": "Microsoft", "product": "Windows Server 2016", "versions": [{"status": "affected", "version": "10.0.14393.0", "lessThan": "10.0.14393.4770", "versionType": "custom"}], "platforms": ["x64-based Systems"]}, {"vendor": "Microsoft", "product": "Windows Server 2016 (Server Core installation)", "versions": [{"status": "affected", "version": "10.0.14393.0", "lessThan": "10.0.14393.4770", "versionType": "custom"}], "platforms": ["x64-based Systems"]}, {"vendor": "Microsoft", "product": "Windows Server 2019", "versions": [{"status": "affected", "version": "10.0.17763.0", "lessThan": "10.0.17763.2300", "versionType": "custom"}], "platforms": ["x64-based Systems"]}, {"vendor": "Microsoft", "product": "Windows Server 2019 (Server Core installation)", "versions": [{"status": "affected", "version": "10.0.17763.0", "lessThan": "10.0.17763.2300", "versionType": "custom"}], "platforms": ["x64-based Systems"]}, {"vendor": "Microsoft", "product": "Windows Server 2022", "versions": [{"status": "affected", "version": "10.0.20348.0", "lessThan": "10.0.20348.350", "versionType": "custom"}], "platforms": ["x64-based Systems"]}, {"vendor": "Microsoft", "product": "Windows Server version 2004", "versions": [{"status": "affected", "version": "10.0.0", "lessThan": "10.0.19041.1348", "versionType": "custom"}], "platforms": ["x64-based Systems"]}, {"vendor": "Microsoft", "product": "Windows Server version 20H2", "versions": [{"status": "affected", "version": "10.0.0", "lessThan": "10.0.19041.1348", "versionType": "custom"}], "platforms": ["x64-based Systems"]}], "datePublic": "2021-11-09T08:00:00.000Z", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-42287", "name": "Active Directory Domain Services Elevation of Privilege Vulnerability", "tags": ["vendor-advisory", "patch"]}], "descriptions": [{"lang": "en-US", "value": "Active Directory Domain Services Elevation of Privilege Vulnerability"}], "problemTypes": [{"descriptions": [{"lang": "en-US", "type": "Impact", "description": "Elevation of Privilege"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "10.0.17763.2300", "versionStartIncluding": "10.0.17763.0"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "10.0.17763.2300", "versionStartIncluding": "10.0.17763.0"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "10.0.20348.350", "versionStartIncluding": "10.0.20348.0"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2004:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "10.0.19041.1348", "versionStartIncluding": "10.0.0"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_20H2:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "10.0.19041.1348", "versionStartIncluding": "10.0.0"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "10.0.14393.4770", "versionStartIncluding": "10.0.14393.0"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "10.0.14393.4770", "versionStartIncluding": "10.0.14393.0"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2008_sp2:*:*:*:*:*:*:x64:*", "vulnerable": true, "versionEndExcluding": "6.0.6003.21282", "versionStartIncluding": "6.0.6003.0"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2008_sp2:*:*:*:*:*:*:x64:*", "vulnerable": true, "versionEndExcluding": "6.0.6003.21282", "versionStartIncluding": "6.0.6003.0"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2008_R2:*:*:*:*:*:*:x64:*", "vulnerable": true, "versionEndExcluding": "6.1.7601.25769", "versionStartIncluding": "6.1.7601.0"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2008_R2:*:*:*:*:*:*:x64:*", "vulnerable": true, "versionEndExcluding": "6.1.7601.25769", "versionStartIncluding": "6.1.7601.0"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*", "vulnerable": true, "versionEndExcluding": "6.2.9200.23517", "versionStartIncluding": "6.2.9200.0"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*", "vulnerable": true, "versionEndExcluding": "6.2.9200.23517", "versionStartIncluding": "6.2.9200.0"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*", "vulnerable": true, "versionEndExcluding": "6.3.9600.20174", "versionStartIncluding": "6.3.9600.0"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*", "vulnerable": true, "versionEndExcluding": "6.3.9600.20174", "versionStartIncluding": "6.3.9600.0"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-08-19T16:27:20.889Z"}}}, "cveMetadata": {"cveId": "CVE-2021-42287", "state": "PUBLISHED", "dateUpdated": "2026-08-19T16:27:20.889Z", "dateReserved": "2021-10-12T00:00:00.000Z", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "datePublished": "2021-11-10T00:47:20.000Z", "assignerShortName": "microsoft"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"platforms": ["x64-based Systems"], "product": "Windows Server 2008 R2 Service Pack 1", "vendor": "Microsoft", "versions": [{"lessThan": "6.1.7601.25769", "status": "affected", "version": "6.1.7601.0", "versionType": "custom"}]}, {"platforms": ["x64-based Systems"], "product": "Windows Server 2008 R2 Service Pack 1 (Server Core installation)", "vendor": "Microsoft", "versions": [{"lessThan": "6.1.7601.25769", "status": "affected", "version": "6.1.7601.0", "versionType": "custom"}]}, {"platforms": ["32-bit Systems", "x64-based Systems"], "product": "Windows Server 2008 Service Pack 2", "vendor": "Microsoft", "versions": [{"lessThan": "6.0.6003.21282", "status": "affected", "version": "6.0.6003.0", "versionType": "custom"}]}, {"platforms": ["32-bit Systems", "x64-based Systems"], "product": "Windows Server 2008 Service Pack 2 (Server Core installation)", "vendor": "Microsoft", "versions": [{"lessThan": "6.0.6003.21282", "status": "affected", "version": "6.0.6003.0", "versionType": "custom"}]}, {"platforms": ["x64-based Systems"], "product": "Windows Server 2012", "vendor": "Microsoft", "versions": [{"lessThan": "6.2.9200.23517", "status": "affected", "version": "6.2.9200.0", "versionType": "custom"}]}, {"platforms": ["x64-based Systems"], "product": "Windows Server 2012 (Server Core installation)", "vendor": "Microsoft", "versions": [{"lessThan": "6.2.9200.23517", "status": "affected", "version": "6.2.9200.0", "versionType": "custom"}]}, {"platforms": ["x64-based Systems"], "product": "Windows Server 2012 R2", "vendor": "Microsoft", "versions": [{"lessThan": "6.3.9600.20174", "status": "affected", "version": "6.3.9600.0", "versionType": "custom"}]}, {"platforms": ["x64-based Systems"], "product": "Windows Server 2012 R2 (Server Core installation)", "vendor": "Microsoft", "versions": [{"lessThan": "6.3.9600.20174", "status": "affected", "version": "6.3.9600.0", "versionType": "custom"}]}, {"platforms": ["x64-based Systems"], "product": "Windows Server 2016", "vendor": "Microsoft", "versions": [{"lessThan": "10.0.14393.4770", "status": "affected", "version": "10.0.14393.0", "versionType": "custom"}]}, {"platforms": ["x64-based Systems"], "product": "Windows Server 2016 (Server Core installation)", "vendor": "Microsoft", "versions": [{"lessThan": "10.0.14393.4770", "status": "affected", "version": "10.0.14393.0", "versionType": "custom"}]}, {"platforms": ["x64-based Systems"], "product": "Windows Server 2019", "vendor": "Microsoft", "versions": [{"lessThan": "10.0.17763.2300", "status": "affected", "version": "10.0.17763.0", "versionType": "custom"}]}, {"platforms": ["x64-based Systems"], "product": "Windows Server 2019 (Server Core installation)", "vendor": "Microsoft", "versions": [{"lessThan": "10.0.17763.2300", "status": "affected", "version": "10.0.17763.0", "versionType": "custom"}]}, {"platforms": ["x64-based Systems"], "product": "Windows Server 2022", "vendor": "Microsoft", "versions": [{"lessThan": "10.0.20348.350", "status": "affected", "version": "10.0.20348.0", "versionType": "custom"}]}, {"platforms": ["x64-based Systems"], "product": "Windows Server version 2004", "vendor": "Microsoft", "versions": [{"lessThan": "10.0.19041.1348", "status": "affected", "version": "10.0.0", "versionType": "custom"}]}, {"platforms": ["x64-based Systems"], "product": "Windows Server version 20H2", "vendor": "Microsoft", "versions": [{"lessThan": "10.0.19041.1348", "status": "affected", "version": "10.0.0", "versionType": "custom"}]}], "source": "secure@microsoft.com"}], "cisaActionDue": "2022-05-02", "cisaExploitAdd": "2022-04-11", "cisaRequiredAction": "Apply updates per vendor instructions.", "cisaVulnerabilityName": "Microsoft Active Directory Domain Services Privilege Escalation Vulnerability", "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows_server_2004:*:*:*:*:*:*:*:*", "matchCriteriaId": "4CC5D95F-2823-475A-A466-1A4A5B328E88", "versionEndExcluding": "10.0.19041.1348", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*", "matchCriteriaId": "5F422A8C-2C4E-42C8-B420-E0728037E15C", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*", "matchCriteriaId": "AF07A81D-12E5-4B1D-BFF9-C8D08C32FF4F", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*", "matchCriteriaId": "A7DF96F8-BA6A-4780-9CA3-F719B3F81074", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*", "matchCriteriaId": "DB18C4CE-5917-401E-ACF7-2747084FD36E", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*", "matchCriteriaId": "572BDEFC-D3E8-4FF0-B91E-D21F42D2B82D", "versionEndExcluding": "10.0.14393.4770", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*", "matchCriteriaId": "74A5AF5D-C59C-4093-A4C0-3BE230E7637F", "versionEndExcluding": "10.0.17763.2300", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*", "matchCriteriaId": "B662E504-15E6-4D85-8463-BBE9435790CC", "versionEndExcluding": "10.0.20348.350", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_20h2:*:*:*:*:*:*:*:*", "matchCriteriaId": "81674128-32B2-4825-8E69-6047DB81134C", "versionEndExcluding": "10.0.19042.1348", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Active Directory Domain Services Elevation of Privilege Vulnerability"}, {"lang": "es", "value": "Una vulnerabilidad de Elevaci\u00f3n de Privilegios en Active Directory Domain Services. Este ID de CVE es diferente de CVE-2021-42278, CVE-2021-42282, CVE-2021-42291"}], "id": "CVE-2021-42287", "lastModified": "2026-08-19T19:23:00.553", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 5.9, "source": "secure@microsoft.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-42287", "options": [{"exploitation": "active"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-08-19T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2021-11-10T01:19:46.137", "references": [{"source": "secure@microsoft.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-42287"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42287"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["US Government Resource"], "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-42287"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}