{"id":"CVE-2022-4575","aliases":["EUVD-2022-51908","GHSA-4m6r-j49h-94c5"],"status":"published","title":"A vulnerability due to improper write protection of UEFI variables was reported in the BIOS of...","description":"A vulnerability due to improper write protection of UEFI variables was reported in the BIOS of some ThinkPad models could allow an attacker with physical or local access and elevated privileges the ability to bypass Secure Boot.","severity":{"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":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0018,"percentile":0.07613,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-276"],"published":"2023-10-30T14:42:29Z","modified":"2026-06-17T05:21:14Z","products":[{"vendor":"lenovo","product":"thinkpad bios"},{"vendor":"lenovo","product":"thinkpad_25_firmware"},{"vendor":"lenovo","product":"thinkpad_l560_firmware"},{"vendor":"lenovo","product":"thinkpad_p50_firmware"},{"vendor":"lenovo","product":"thinkpad_p50s_firmware"},{"vendor":"lenovo","product":"thinkpad_p70_firmware"},{"vendor":"lenovo","product":"thinkpad_t470_firmware"},{"vendor":"lenovo","product":"thinkpad_t470s_firmware"},{"vendor":"lenovo","product":"thinkpad_t560_firmware"},{"vendor":"lenovo","product":"thinkpad_x1_carbon_4th_gen_firmware"},{"vendor":"lenovo","product":"thinkpad_x1_yoga_1st_gen_firmware"},{"vendor":"lenovo","product":"thinkpad_x260_firmware"},{"vendor":"lenovo","product":"thinkpad_x270_firmware"},{"vendor":"lenovo","product":"thinkpad_yoga_260_firmware"}],"references":[{"url":"https://support.lenovo.com/us/en/product_security/LEN-106014","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-4575"},{"url":"https://github.com/advisories/GHSA-4m6r-j49h-94c5"}],"sources":{"cve":[{"id":"CVE-2022-4575","description":"\nA vulnerability due to improper write protection of UEFI variables was reported in the BIOS of some ThinkPad models could allow an attacker with physical or local access and elevated privileges the ability to bypass Secure Boot.\n\n","status":"published","published":"2023-10-30T14:42:29.795Z","modified":"2024-08-03T01:41:45.637Z","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","assessor":"cna"}],"cwes":["CWE-276"],"updated_at":"2026-11-02T14:34:37.932195Z"}],"euvd":[{"id":"EUVD-2022-51908","description":"\nA vulnerability due to improper write protection of UEFI variables was reported in the BIOS of some ThinkPad models could allow an attacker with physical or local access and elevated privileges the ability to bypass Secure Boot.\n\n","status":"published","published":"2023-10-30T14:42:29Z","modified":"2024-08-03T01:41:45Z","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":"2026-11-03T03:25:56.529973Z"}],"ghsa":[{"id":"GHSA-4m6r-j49h-94c5","title":"\nA vulnerability due to improper write protection of UEFI variables was reported in the BIOS of...","description":"\nA vulnerability due to improper write protection of UEFI variables was reported in the BIOS of some ThinkPad models could allow an attacker with physical or local access and elevated privileges the ability to bypass Secure Boot.\n\n","status":"published","published":"2023-10-30T15:30:45Z","modified":"2023-11-16T05:04:57Z","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"}],"cwes":["CWE-276"],"updated_at":"2026-11-02T14:55:03.407736Z"}],"nvd":[{"id":"CVE-2022-4575","description":"\nA vulnerability due to improper write protection of UEFI variables was reported in the BIOS of some ThinkPad models could allow an attacker with physical or local access and elevated privileges the ability to bypass Secure Boot.\n\n","status":"published","published":"2023-10-30T15:15:40.493Z","modified":"2026-06-17T05:21:14.91Z","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","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"}],"cwes":["CWE-276"],"updated_at":"2026-11-02T14:07:39.811118Z"}]}}