{"id":"CVE-2021-31181","aliases":["EUVD-2021-18094","GHSA-jv6v-h246-28v4"],"status":"published","title":"Microsoft SharePoint Remote Code Execution Vulnerability","description":"Microsoft SharePoint Remote Code Execution Vulnerability","severity":{"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/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.29011,"percentile":0.98187,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-94"],"published":"2021-05-11T19:11:30Z","modified":"2026-06-17T03:51:23Z","exploits":[{"source":"metasploit","id":"exploit/windows/http/sharepoint_unsafe_control","title":"Microsoft SharePoint Unsafe Control and ViewState RCE","type":"exploit","platform":"Windows","date":"2021-05-11","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/windows/http/sharepoint_unsafe_control"}],"products":[{"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-2021-31181","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-573/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://packetstormsecurity.com/files/163208/Microsoft-SharePoint-Unsafe-Control-And-ViewState-Remote-Code-Execution.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://packetstorm.news/files/id/163208","tags":["exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-31181"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-573"},{"url":"https://github.com/advisories/GHSA-jv6v-h246-28v4"}],"sources":{"cve":[{"id":"CVE-2021-31181","title":"Microsoft SharePoint Remote Code Execution Vulnerability","description":"Microsoft SharePoint Remote Code Execution Vulnerability","status":"published","published":"2021-05-11T19:11:30Z","modified":"2025-02-28T20:29:15.43Z","cvss":[{"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/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:33:05.665371Z"}],"euvd":[{"id":"EUVD-2021-18094","description":"Microsoft SharePoint Remote Code Execution Vulnerability","status":"published","published":"2021-05-11T19:11:30Z","modified":"2025-02-28T20:29:15Z","cvss":[{"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/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T20:53:19.078289Z"}],"ghsa":[{"id":"GHSA-jv6v-h246-28v4","title":"Microsoft SharePoint Remote Code Execution Vulnerability","description":"Microsoft SharePoint Remote Code Execution Vulnerability","status":"published","published":"2022-05-24T19:02:01Z","modified":"2025-02-28T21:32:56Z","cvss":[{"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"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T15:00:05.58597Z"}],"nvd":[{"id":"CVE-2021-31181","description":"Microsoft SharePoint Remote Code Execution Vulnerability","status":"published","published":"2021-05-11T19:15:09.837Z","modified":"2026-06-17T03:51:23.817Z","cvss":[{"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":"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-94"],"updated_at":"2026-11-02T14:06:53.343329Z"}]}}