{"id":"CVE-2021-1731","aliases":["EUVD-2021-7195","GHSA-rhjx-jhgw-j75q"],"status":"published","title":"PFX Encryption Security Feature Bypass Vulnerability","description":"PFX Encryption Security Feature Bypass Vulnerability","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00877,"percentile":0.59495,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-522"],"published":"2021-02-25T23:01:30Z","modified":"2026-06-17T03:32:27Z","products":[{"vendor":"microsoft","product":"windows 10 version 1803"},{"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 server 2019"},{"vendor":"microsoft","product":"windows server 2019 (server core installation)"},{"vendor":"microsoft","product":"windows server version 2004"},{"vendor":"microsoft","product":"windows server version 20h2"},{"vendor":"microsoft","product":"windows server, version 1909 (server core installation)"},{"vendor":"microsoft","product":"windows_10"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1731","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-1731"},{"url":"https://github.com/advisories/GHSA-rhjx-jhgw-j75q"}],"sources":{"cve":[{"id":"CVE-2021-1731","title":"PFX Encryption Security Feature Bypass Vulnerability","description":"PFX Encryption Security Feature Bypass Vulnerability","status":"published","published":"2021-02-25T23:01:30Z","modified":"2024-08-03T16:18:11.444Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:08.409321Z"}],"euvd":[{"id":"EUVD-2021-7195","description":"PFX Encryption Security Feature Bypass Vulnerability","status":"published","published":"2021-02-25T23:01:30Z","modified":"2024-08-03T16:18:11Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-03T03:25:15.150715Z"}],"ghsa":[{"id":"GHSA-rhjx-jhgw-j75q","title":"PFX Encryption Security Feature Bypass Vulnerability","description":"PFX Encryption Security Feature Bypass Vulnerability","status":"published","published":"2022-05-24T17:43:11Z","modified":"2024-01-07T05:05:26Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-522"],"updated_at":"2026-11-02T14:55:20.878476Z"}],"nvd":[{"id":"CVE-2021-1731","description":"PFX Encryption Security Feature Bypass Vulnerability","status":"published","published":"2021-02-25T23:15:13.85Z","modified":"2026-06-17T03:32:27.467Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-522"],"updated_at":"2026-11-02T14:06:50.399901Z"}]}}