{"id":"CVE-2021-31948","aliases":["EUVD-2021-18821","GHSA-xr66-phmg-jxhp"],"status":"published","title":"Microsoft SharePoint Server Spoofing Vulnerability","description":"Microsoft SharePoint Server Spoofing Vulnerability","severity":{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01287,"percentile":0.70401,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2021-06-08T22:46:20Z","modified":"2026-06-17T03:52:32Z","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-2021-31948","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-31948"},{"url":"https://github.com/advisories/GHSA-xr66-phmg-jxhp"}],"sources":{"cve":[{"id":"CVE-2021-31948","title":"Microsoft SharePoint Server Spoofing Vulnerability","description":"Microsoft SharePoint Server Spoofing Vulnerability","status":"published","published":"2021-06-08T22:46:20Z","modified":"2024-08-03T23:10:31.27Z","cvss":[{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:33:05.331617Z"}],"euvd":[{"id":"EUVD-2021-18821","description":"Microsoft SharePoint Server Spoofing Vulnerability","status":"published","published":"2021-06-08T22:46:20Z","modified":"2024-08-03T23:10:31Z","cvss":[{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-03T03:24:37.407491Z"}],"ghsa":[{"id":"GHSA-xr66-phmg-jxhp","title":"Microsoft SharePoint Server Spoofing Vulnerability This CVE ID is unique from CVE-2021-31950, CVE...","description":"Microsoft SharePoint Server Spoofing Vulnerability This CVE ID is unique from CVE-2021-31950, CVE-2021-31964.","status":"published","published":"2022-05-24T19:04:49Z","modified":"2023-01-27T05:02:49Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:42:06.943612Z"}],"nvd":[{"id":"CVE-2021-31948","description":"Microsoft SharePoint Server Spoofing Vulnerability","status":"published","published":"2021-06-08T23:15:08.65Z","modified":"2026-06-17T03:52:32.84Z","cvss":[{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"secondary"},{"version":"2.0","score":5.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:54.439974Z"}]}}