{"id":"CVE-2020-1595","aliases":["EUVD-2020-12466","GHSA-85x5-vr9q-4m59"],"status":"published","title":"Microsoft SharePoint Remote Code Execution Vulnerability","description":"\u003cp\u003eA remote code execution vulnerability exists in Microsoft SharePoint where APIs aren't properly protected from unsafe data input. 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.\u003c/p\u003e\n\u003cp\u003eExploitation of this vulnerability requires that a user access a susceptible API on an affected version of SharePoint with specially-formatted input.\u003c/p\u003e\n\u003cp\u003eThe security update addresses the vulnerability by correcting how SharePoint handles deserialization of untrusted data.\u003c/p\u003e","severity":{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01979,"percentile":0.80679,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-494"],"published":"2020-09-11T17:09:27Z","modified":"2026-06-17T03:01:49Z","products":[{"vendor":"microsoft","product":"microsoft sharepoint enterprise server 2013 service pack 1"},{"vendor":"microsoft","product":"microsoft sharepoint enterprise server 2016"},{"vendor":"microsoft","product":"microsoft sharepoint foundation 2013 service pack 1"},{"vendor":"microsoft","product":"microsoft sharepoint server 2019"},{"vendor":"microsoft","product":"sharepoint_enterprise_server"},{"vendor":"microsoft","product":"sharepoint_foundation"},{"vendor":"microsoft","product":"sharepoint_server"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1595","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-1595"},{"url":"https://github.com/advisories/GHSA-85x5-vr9q-4m59"}],"sources":{"cve":[{"id":"CVE-2020-1595","title":"Microsoft SharePoint Remote Code Execution Vulnerability","description":"\u003cp\u003eA remote code execution vulnerability exists in Microsoft SharePoint where APIs aren't properly protected from unsafe data input. 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.\u003c/p\u003e\n\u003cp\u003eExploitation of this vulnerability requires that a user access a susceptible API on an affected version of SharePoint with specially-formatted input.\u003c/p\u003e\n\u003cp\u003eThe security update addresses the vulnerability by correcting how SharePoint handles deserialization of untrusted data.\u003c/p\u003e","status":"published","published":"2020-09-11T17:09:27Z","modified":"2024-11-18T16:16:36.616Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"critical","assessor":"cna"}],"updated_at":"2026-11-02T14:35:56.638833Z"}],"euvd":[{"id":"EUVD-2020-12466","description":"\u003cp\u003eA remote code execution vulnerability exists in Microsoft SharePoint where APIs aren't properly protected from unsafe data input. 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.\u003c/p\u003e\n\u003cp\u003eExploitation of this vulnerability requires that a user access a susceptible API on an affected version of SharePoint with specially-formatted input.\u003c/p\u003e\n\u003cp\u003eThe security update addresses the vulnerability by correcting how SharePoint handles deserialization of untrusted data.\u003c/p\u003e","status":"published","published":"2020-09-11T17:09:27Z","modified":"2024-11-18T16:16:36Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"critical"}],"updated_at":"2026-11-03T00:04:57.054288Z"}],"ghsa":[{"id":"GHSA-85x5-vr9q-4m59","title":"A remote code execution vulnerability exists in Microsoft SharePoint where APIs aren't properly...","description":"A remote code execution vulnerability exists in Microsoft SharePoint where APIs aren't properly protected from unsafe data input, aka 'Microsoft SharePoint Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-1200, CVE-2020-1210, CVE-2020-1452, CVE-2020-1453, CVE-2020-1576.","status":"published","published":"2022-05-24T17:28:04Z","modified":"2024-01-09T05:05:03Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-494"],"updated_at":"2026-11-02T14:55:21.919096Z"}],"nvd":[{"id":"CVE-2020-1595","description":"\u003cp\u003eA remote code execution vulnerability exists in Microsoft SharePoint where APIs aren't properly protected from unsafe data input. 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.\u003c/p\u003e\n\u003cp\u003eExploitation of this vulnerability requires that a user access a susceptible API on an affected version of SharePoint with specially-formatted input.\u003c/p\u003e\n\u003cp\u003eThe security update addresses the vulnerability by correcting how SharePoint handles deserialization of untrusted data.\u003c/p\u003e","status":"published","published":"2020-09-11T17:15:21.903Z","modified":"2026-06-17T03:01:49.747Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-494"],"updated_at":"2026-11-02T14:06:14.981587Z"}]}}