{"containers": {"cna": {"title": "Microsoft SharePoint Remote Code Execution Vulnerability", "datePublic": "2020-05-12T14:00:00.000Z", "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:sharepoint_server_2016:*:*:*:*:enterprise:*:*:*", "versionStartIncluding": "16.0.0", "versionEndExcluding": "publication"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:sharepoint_server_2019:*:*:*:*:*:*:*:*", "versionStartIncluding": "16.0.0", "versionEndExcluding": "publication"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:sharepoint_foundation_2013:*:sp1:*:*:*:*:*:*", "versionStartIncluding": "15.0.0", "versionEndExcluding": "publication"}]}]}], "affected": [{"vendor": "Microsoft", "product": "Microsoft SharePoint Enterprise Server 2016", "platforms": ["x64-based Systems"], "versions": [{"version": "16.0.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft SharePoint Foundation 2013 Service Pack 1", "platforms": ["x64-based Systems"], "versions": [{"version": "15.0.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft SharePoint Server 2019", "platforms": ["x64-based Systems"], "versions": [{"version": "16.0.0", "lessThan": "publication", "versionType": "custom", "status": "affected"}]}], "descriptions": [{"value": "A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the SharePoint application pool and the SharePoint server farm account.\nExploitation of this vulnerability requires that a user uploads a specially crafted SharePoint application package to an affected version of SharePoint.\nThe security update addresses the vulnerability by correcting how SharePoint checks the source markup of application packages.", "lang": "en-US"}], "problemTypes": [{"descriptions": [{"description": "Remote Code Execution", "lang": "en-US", "type": "Impact"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-08-19T16:33:18.456Z"}, "references": [{"name": "Microsoft SharePoint Remote Code Execution Vulnerability", "tags": ["vendor-advisory", "patch"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1023"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T06:25:00.837Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1023"}]}]}, "cveMetadata": {"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "assignerShortName": "microsoft", "cveId": "CVE-2020-1023", "datePublished": "2020-05-21T22:52:47.000Z", "dateReserved": "2019-11-04T00:00:00.000Z", "dateUpdated": "2026-08-19T16:33:18.456Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.2"}

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{"affected": [{"affectedData": [{"platforms": ["x64-based Systems"], "product": "Microsoft SharePoint Enterprise Server 2016", "vendor": "Microsoft", "versions": [{"lessThan": "publication", "status": "affected", "version": "16.0.0", "versionType": "custom"}]}, {"platforms": ["x64-based Systems"], "product": "Microsoft SharePoint Foundation 2013 Service Pack 1", "vendor": "Microsoft", "versions": [{"lessThan": "publication", "status": "affected", "version": "15.0.0", "versionType": "custom"}]}, {"platforms": ["x64-based Systems"], "product": "Microsoft SharePoint Server 2019", "vendor": "Microsoft", "versions": [{"lessThan": "publication", "status": "affected", "version": "16.0.0", "versionType": "custom"}]}], "source": "secure@microsoft.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:*", "matchCriteriaId": "9C082CC4-6128-475D-BC19-B239E348FDB2", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:sharepoint_foundation:2013:sp1:*:*:*:*:*:*", "matchCriteriaId": "F71184B1-7461-4A05-A5D2-03D9EDDC30D5", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*", "matchCriteriaId": "6122D014-5BF1-4AF4-8B4D-80205ED7785E", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the SharePoint application pool and the SharePoint server farm account.\nExploitation of this vulnerability requires that a user uploads a specially crafted SharePoint application package to an affected version of SharePoint.\nThe security update addresses the vulnerability by correcting how SharePoint checks the source markup of application packages."}, {"lang": "es", "value": "Existe una vulnerabilidad de ejecuci\u00f3n de c\u00f3digo remota en Microsoft SharePoint cuando el software falla al comprobar el marcado de origen de un paquete de aplicaciones, tambi\u00e9n se conoce como \"Microsoft SharePoint Remote Code Execution Vulnerability\". Este ID de CVE es diferente de CVE-2020-1024, CVE-2020-1102."}], "id": "CVE-2020-1023", "lastModified": "2026-08-19T17:17:08.613", "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": "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": "Primary"}]}, "published": "2020-05-21T23:15:11.617", "references": [{"source": "secure@microsoft.com", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1023"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1023"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-434"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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