{"id":"CVE-2021-38624","aliases":["EUVD-2021-25063","GHSA-47qf-6fqv-2m82"],"status":"published","title":"Windows Key Storage Provider Security Feature Bypass Vulnerability","description":"Windows Key Storage Provider Security Feature Bypass Vulnerability","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.01534,"percentile":0.75182,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-639"],"published":"2021-09-15T11:23:48Z","modified":"2026-08-10T18:31:06Z","products":[{"vendor":"microsoft","product":"windows 10 version 1809"},{"vendor":"microsoft","product":"windows 10 version 1909"},{"vendor":"microsoft","product":"windows 10 version 2004"},{"vendor":"microsoft","product":"windows 10 version 20h2"},{"vendor":"microsoft","product":"windows 10 version 21h1"},{"vendor":"microsoft","product":"windows 11 version 21h2"},{"vendor":"microsoft","product":"windows server 2019"},{"vendor":"microsoft","product":"windows server 2019 (server core installation)"},{"vendor":"microsoft","product":"windows server 2022"},{"vendor":"microsoft","product":"windows server version 2004"},{"vendor":"microsoft","product":"windows server version 20h2"},{"vendor":"microsoft","product":"windows_10"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"},{"vendor":"microsoft","product":"windows_server_2022"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-38624","tags":["vendor-advisory","patch"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38624","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-38624"},{"url":"https://github.com/advisories/GHSA-47qf-6fqv-2m82"}],"sources":{"cve":[{"id":"CVE-2021-38624","title":"Windows Key Storage Provider Security Feature Bypass Vulnerability","description":"Windows Key Storage Provider Security Feature Bypass Vulnerability","status":"published","published":"2021-09-15T11:23:48Z","modified":"2026-08-10T15:10:45.675Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:07.349244Z"}],"euvd":[{"id":"EUVD-2021-25063","description":"Windows Key Storage Provider Security Feature Bypass Vulnerability","status":"published","published":"2021-09-15T11:23:48Z","modified":"2026-08-10T15:10:45Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T18:02:05.005873Z"}],"ghsa":[{"id":"GHSA-47qf-6fqv-2m82","title":"Windows Key Storage Provider Security Feature Bypass Vulnerability","description":"Windows Key Storage Provider Security Feature Bypass Vulnerability","status":"published","published":"2022-05-24T19:14:45Z","modified":"2026-08-10T18:31:06Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:10:14.704025Z"}],"nvd":[{"id":"CVE-2021-38624","description":"Windows Key Storage Provider Security Feature Bypass Vulnerability","status":"published","published":"2021-09-15T12:15:14.077Z","modified":"2026-08-10T16:18:06.65Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:06:58.502206Z"}]}}