CVE-2020-16940

{"containers": {"cna": {"title": "Windows - User Profile Service Elevation of Privilege Vulnerability", "datePublic": "2020-10-13T07:00:00.000Z", "affected": [{"vendor": "Microsoft", "product": "Windows 10 Version 1803", "cpes": ["cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*", "cpe:2.3:o:microsoft:windows_10_1803:*:*:*:*:*:*:x64:*", "cpe:2.3:o:microsoft:windows_10_1803:*:*:*:*:*:*:arm64:*"], "platforms": ["32-bit Systems", "x64-based Systems", "ARM64-based Systems"], "versions": [{"version": "10.0.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows 10 Version 1809", "cpes": ["cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*", "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*", "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:arm64:*"], "platforms": ["32-bit Systems", "x64-based Systems", "ARM64-based Systems"], "versions": [{"version": "10.0.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows Server 2019", "cpes": ["cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "10.0.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows Server 2019 (Server Core installation)", "cpes": ["cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "10.0.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows 10 Version 1909", "cpes": ["cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:x86:*", "cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:x64:*", "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*"], "platforms": ["32-bit Systems", "x64-based Systems", "ARM64-based Systems"], "versions": [{"version": "10.0.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows Server, version 1909 (Server Core installation)", "cpes": ["cpe:2.3:o:microsoft:windows_server_1909:*:*:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "10.0.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows 10 Version 1709 for 32-bit Systems", "cpes": ["cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*"], "platforms": ["32-bit Systems"], "versions": [{"version": "10.0.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows 10 Version 1709", "cpes": ["cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*"], "platforms": ["x64-based Systems", "ARM64-based Systems"], "versions": [{"version": "10.0.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows 10 Version 1903 for 32-bit Systems", "cpes": ["cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*"], "platforms": ["Unknown"], "versions": [{"version": "10.0.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows 10 Version 1903 for x64-based Systems", "cpes": ["cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*"], "platforms": ["Unknown"], "versions": [{"version": "10.0.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows 10 Version 1903 for ARM64-based Systems", "cpes": ["cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*"], "platforms": ["Unknown"], "versions": [{"version": "10.0.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows Server, version 1903 (Server Core installation)", "cpes": ["cpe:2.3:o:microsoft:windows_server_1903:*:*:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "10.0.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows 10 Version 2004", "cpes": ["cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*"], "platforms": ["32-bit Systems", "ARM64-based Systems", "x64-based Systems"], "versions": [{"version": "10.0.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows Server version 2004", "cpes": ["cpe:2.3:o:microsoft:windows_server_2004:*:*:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "10.0.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows 10 Version 1507", "cpes": ["cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x86:*", "cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x64:*"], "platforms": ["32-bit Systems", "x64-based Systems"], "versions": [{"version": "10.0.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows 10 Version 1607", "cpes": ["cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*", "cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*"], "platforms": ["32-bit Systems", "x64-based Systems"], "versions": [{"version": "10.0.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows Server 2016", "cpes": ["cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "10.0.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows Server 2016 (Server Core installation)", "cpes": ["cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "10.0.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows 7", "cpes": ["cpe:2.3:o:microsoft:windows_7:*:sp1:*:*:*:*:x86:*"], "platforms": ["32-bit Systems"], "versions": [{"version": "6.1.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows 7 Service Pack 1", "cpes": ["cpe:2.3:o:microsoft:windows_7:*:sp1:*:*:*:*:x64:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "6.1.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows 8.1", "cpes": ["cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:x86:*", "cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:x64:*", "cpe:2.3:o:microsoft:windows_rt_8.1:*:*:*:*:*:*:*:*"], "platforms": ["32-bit Systems", "x64-based Systems", "ARM64-based Systems"], "versions": [{"version": "6.3.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows Server 2008 Service Pack 2", "cpes": ["cpe:2.3:o:microsoft:windows_server_2008_sp2:*:*:*:*:*:*:x64:*"], "platforms": ["32-bit Systems"], "versions": [{"version": "6.0.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows Server 2008 Service Pack 2 (Server Core installation)", "cpes": ["cpe:2.3:o:microsoft:windows_server_2008_sp2:*:*:*:*:*:*:x64:*", "cpe:2.3:o:microsoft:windows_server_2008_sp2:*:*:*:*:*:*:x86:*"], "platforms": ["32-bit Systems", "x64-based Systems"], "versions": [{"version": "6.0.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows Server 2008 Service Pack 2", "cpes": ["cpe:2.3:o:microsoft:windows_server_2008_sp2:*:*:*:*:*:*:x86:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "6.0.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows Server 2008 R2 Service Pack 1", "cpes": ["cpe:2.3:o:microsoft:windows_server_2008_R2:*:*:*:*:*:*:x64:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "6.1.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows Server 2008 R2 Service Pack 1 (Server Core installation)", "cpes": ["cpe:2.3:o:microsoft:windows_server_2008_R2:*:*:*:*:*:*:x64:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "6.0.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows Server 2012", "cpes": ["cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "6.2.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows Server 2012 (Server Core installation)", "cpes": ["cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "6.2.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows Server 2012 R2", "cpes": ["cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "6.3.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows Server 2012 R2 (Server Core installation)", "cpes": ["cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*"], "platforms": ["x64-based Systems"], "versions": [{"version": "6.3.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}], "descriptions": [{"value": "<p>An elevation of privilege vulnerability exists when the Windows User Profile Service (ProfSvc) improperly handles junction points. An attacker who successfully exploited this vulnerability could delete files and folders in an elevated context.</p>\n<p>To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and delete files or folders of their choosing.</p>\n<p>The security update addresses the vulnerability by correcting how the Windows User Profile Service handles junction points.</p>", "lang": "en-US"}], "problemTypes": [{"descriptions": [{"description": "Elevation of Privilege", "lang": "en-US", "type": "Impact"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2023-12-31T19:20:17.576Z"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16940"}, {"tags": ["x_refsource_MISC"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-1248/"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseSeverity": "HIGH", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C"}}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T13:45:34.556Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16940"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-1248/"}]}]}, "cveMetadata": {"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "assignerShortName": "microsoft", "cveId": "CVE-2020-16940", "datePublished": "2020-10-16T22:17:57.000Z", "dateReserved": "2020-08-04T00:00:00.000Z", "dateUpdated": "2024-08-04T13:45:34.556Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*", "cpe:2.3:o:microsoft:windows_10_1803:*:*:*:*:*:*:x64:*", "cpe:2.3:o:microsoft:windows_10_1803:*:*:*:*:*:*:arm64:*"], "platforms": ["32-bit Systems", "x64-based Systems", "ARM64-based Systems"], "product": "Windows 10 Version 1803", "vendor": "Microsoft", "versions": [{"lessThan": "publication", "status": "affected", "version": "10.0.0", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*", "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*", "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:arm64:*"], "platforms": ["32-bit Systems", "x64-based Systems", "ARM64-based Systems"], "product": "Windows 10 Version 1809", "vendor": "Microsoft", "versions": [{"lessThan": "publication", "status": "affected", "version": "10.0.0", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*"], "platforms": ["x64-based 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An attacker who successfully exploited this vulnerability could delete files and folders in an elevated context.</p>\n<p>To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and delete files or folders of their choosing.</p>\n<p>The security update addresses the vulnerability by correcting how the Windows User Profile Service handles junction points.</p>"}, {"lang": "es", "value": "Se presenta una vulnerabilidad de escalada de privilegios cuando Windows User Profile Service (ProfSvc) maneja inapropiadamente puntos de uni\u00f3n, tambi\u00e9n se conoce como \"Windows - User Profile Service Elevation of Privilege Vulnerability\""}], "id": "CVE-2020-16940", "lastModified": "2026-06-17T02:58:19.130", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.9, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "secure@microsoft.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Secondary"}]}, "published": "2020-10-16T23:15:15.710", "references": [{"source": "secure@microsoft.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16940"}, {"source": "secure@microsoft.com", "tags": ["Third Party Advisory"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-1248/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16940"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-1248/"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-269"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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