{"id":"CVE-2021-33164","aliases":["EUVD-2021-19879","GHSA-6pv7-xxv2-qw55"],"status":"published","title":"Improper access control in BIOS firmware for some Intel(R) NUCs before version INWHL357.0046 may...","description":"Improper access control in BIOS firmware for some Intel(R) NUCs before version INWHL357.0046 may allow a privileged user to potentially enable escalation of privilege via local access.","severity":{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00213,"percentile":0.11752,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2022-11-11T15:48:49Z","modified":"2026-06-17T03:54:18Z","products":[{"vendor":"bios_firmware","product":"intel_r_nucs"},{"vendor":"intel","product":"nuc_8_mainstream-g_kit_nuc8i5inh_firmware"},{"vendor":"intel","product":"nuc_8_mainstream-g_kit_nuc8i7inh_firmware"},{"vendor":"intel","product":"nuc_8_mainstream-g_mini_pc_nuc8i5inh_firmware"},{"vendor":"intel","product":"nuc_8_mainstream-g_mini_pc_nuc8i7inh_firmware"}],"references":[{"url":"https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00752.html","tags":["x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.kb.cert.org/vuls/id/434994"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33164"},{"url":"https://github.com/advisories/GHSA-6pv7-xxv2-qw55"}],"sources":{"cve":[{"id":"CVE-2021-33164","description":"Improper access control in BIOS firmware for some Intel(R) NUCs before version INWHL357.0046 may allow a privileged user to potentially enable escalation of privilege via local access.","status":"published","published":"2022-11-11T15:48:49.297Z","modified":"2024-08-03T23:42:20.052Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:33:10.204494Z"}],"euvd":[{"id":"EUVD-2021-19879","description":"Improper access control in BIOS firmware for some Intel(R) NUCs before version INWHL357.0046 may allow a privileged user to potentially enable escalation of privilege via local access.","status":"published","published":"2022-11-11T15:48:49Z","modified":"2024-08-03T23:42:20Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T03:24:34.73748Z"}],"ghsa":[{"id":"GHSA-6pv7-xxv2-qw55","title":"Improper access control in BIOS firmware for some Intel(R) NUCs before version INWHL357.0046 may...","description":"Improper access control in BIOS firmware for some Intel(R) NUCs before version INWHL357.0046 may allow a privileged user to potentially enable escalation of privilege via local access.","status":"published","published":"2022-11-11T19:00:31Z","modified":"2023-01-28T05:03:17Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T14:43:57.015581Z"}],"nvd":[{"id":"CVE-2021-33164","description":"Improper access control in BIOS firmware for some Intel(R) NUCs before version INWHL357.0046 may allow a privileged user to potentially enable escalation of privilege via local access.","status":"published","published":"2022-11-11T16:15:11.543Z","modified":"2026-06-17T03:54:18.03Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:07:06.906968Z"}]}}