{"schema":"threatline.record/2","record":{"id":"CVE-2020-1147","aliases":[],"summary":"Microsoft .NET Framework, SharePoint, and Visual Studio Remote Code Execution Vulnerability","details":"Microsoft .NET Framework, Microsoft SharePoint, and Visual Studio contain a remote code execution vulnerability when the software fails to check the source markup of XML file input. Successful exploitation allows an attacker to execute code in the context of the process responsible for deserialization of the XML content.","categories":["Applications & CMS"],"product":".NET Framework, SharePoint, Visual Studio","vendor":"Microsoft","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft SharePoint Enterprise Server","vendor":"Microsoft","versions":[{"status":"affected","version":"2016"},{"status":"affected","version":"2013 Service Pack 1"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft SharePoint Server","vendor":"Microsoft","versions":[{"status":"affected","version":"2019"},{"status":"affected","version":"2010 Service Pack 2"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft Visual Studio 2019","vendor":"Microsoft","versions":[{"status":"affected","version":"16.0"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft Visual Studio 2019 version 16.6 (includes 16.0 - 16.5)","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":".NET Core","vendor":"Microsoft","versions":[{"status":"affected","version":"2.1"},{"status":"affected","version":"3.1"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2","vendor":"Microsoft","versions":[{"status":"affected","version":"Windows 7 for 32-bit Systems Service Pack 1"},{"status":"affected","version":"Windows 7 for x64-based Systems Service Pack 1"},{"status":"affected","version":"Windows 8.1 for 32-bit systems"},{"status":"affected","version":"Windows 8.1 for x64-based systems"},{"status":"affected","version":"Windows RT 8.1"},{"status":"affected","version":"Windows Server 2008 R2 for x64-based Systems Service Pack 1"},{"status":"affected","version":"Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)"},{"status":"affected","version":"Windows Server 2012"},{"status":"affected","version":"Windows Server 2012 (Server Core installation)"},{"status":"affected","version":"Windows Server 2012 R2"},{"status":"affected","version":"Windows Server 2012 R2 (Server Core installation)"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for 32-bit Systems","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for x64-based Systems","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 4.8 on Windows Server, version 1803  (Server Core Installation)","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for 32-bit Systems","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for x64-based Systems","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 4.8 on Windows Server 2016","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 4.8 on Windows Server 2016  (Server Core installation)","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systems","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systems","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 4.8 on Windows RT 8.1","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 4.8 on Windows Server 2012","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation)","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 4.8 on Windows Server 2012 R2","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation)","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systems","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systems","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019  (Server Core installation)","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for 32-bit Systems","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for x64-based Systems","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1909 (Server Core installation)","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for 32-bit Systems","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for x64-based Systems","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1903 (Server Core installation)","vendor":"Microsoft","versions":[{"status":"affected","version":"1903"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for 32-bit Systems","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","source_modified_at":"2025-10-21T23:35:39.668Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for x64-based Systems","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null}],"fixed_versions":[],"cvss":7.8,"severity":"High","kev":{"listed":true,"date_added":"2021-11-03","due_date":"2022-05-03","required_action":"Apply updates per vendor instructions.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.93966,"percentile":0.99848,"score_date":"2026-10-23"},"published_at":"2020-07-14T22:54:00.000Z","modified_at":"2025-10-21T23:35:39.668Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2020-1147","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:35:39.668Z"},{"source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/http/sharepoint_data_deserialization.rb","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2020-07-14"},{"source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/48747","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2020-08-17"},{"source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/50151","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2021-07-23"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2020-1147","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Metasploit","Exploit-DB","EPSS"],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-1147","source":"CISA KEV"},{"source":"CVE List","url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1147","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://www.exploitalert.com/view-details.html?id=35992","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1147","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"active","automatable":"no","technical_impact":"total","assessed_at":"2025-02-04T19:25:47.186130Z"},"exploits":[{"source":"Metasploit","kind":"Exploit module","name":"SharePoint DataSet / DataTable Deserialization","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/http/sharepoint_data_deserialization.rb","date":"2020-07-14","added":"2026-04-22","check":true},{"source":"Exploit-DB","kind":"Webapps exploit","name":"Microsoft SharePoint Server 2019 - Remote Code Execution","url":"https://www.exploit-db.com/exploits/48747","date":"2020-08-17","added":"2020-08-17","verified":false},{"source":"Exploit-DB","kind":"Webapps exploit","name":"Microsoft SharePoint Server 2019 - Remote Code Execution (2)","url":"https://www.exploit-db.com/exploits/50151","date":"2021-07-23","added":"2021-07-23","verified":false}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2025-10-21T23:35:39.668Z","content_hash":"5fd5fb11c70401a84a153fc7be2176da7adc1c1a3135607bd89d8c75c5bf6c3a"}}