{"id":"CVE-2021-1663","aliases":["EUVD-2021-7130","GHSA-w9m8-m2vw-mpxf"],"status":"published","title":"Windows Projected File System FS Filter Driver Information Disclosure Vulnerability","description":"Windows Projected File System FS Filter Driver Information Disclosure Vulnerability","severity":{"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/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01222,"percentile":0.68963,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2021-01-12T19:42:11Z","modified":"2026-06-17T03:32:16Z","products":[{"vendor":"microsoft","product":"windows 10 version 2004"},{"vendor":"microsoft","product":"windows 10 version 20h2"},{"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"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1663","tags":["vendor-advisory"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1663","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-1663"},{"url":"https://github.com/advisories/GHSA-w9m8-m2vw-mpxf"}],"sources":{"cve":[{"id":"CVE-2021-1663","title":"Windows Projected File System FS Filter Driver Information Disclosure Vulnerability","description":"Windows Projected File System FS Filter Driver Information Disclosure Vulnerability","status":"published","published":"2021-01-12T19:42:11Z","modified":"2024-10-08T16:17:10.177Z","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/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:08.409321Z"}],"euvd":[{"id":"EUVD-2021-7130","description":"Windows Projected File System FS Filter Driver Information Disclosure Vulnerability","status":"published","published":"2021-01-12T19:42:11Z","modified":"2024-10-08T16:17:10Z","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/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-03T00:27:45.386789Z"}],"ghsa":[{"id":"GHSA-w9m8-m2vw-mpxf","title":"Windows Projected File System FS Filter Driver Information Disclosure Vulnerability This CVE ID...","description":"Windows Projected File System FS Filter Driver Information Disclosure Vulnerability This CVE ID is unique from CVE-2021-1670, CVE-2021-1672.","status":"published","published":"2022-05-24T17:38:45Z","modified":"2024-10-08T18:34:03Z","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-200"],"updated_at":"2026-11-02T14:58:27.293589Z"}],"nvd":[{"id":"CVE-2021-1663","description":"Windows Projected File System FS Filter Driver Information Disclosure Vulnerability","status":"published","published":"2021-01-12T20:15:31.68Z","modified":"2026-06-17T03:32:16.58Z","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","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"}],"updated_at":"2026-11-02T14:06:49.284888Z"}]}}