{"id":"CVE-2020-8335","aliases":["EUVD-2020-29202","GHSA-fvh7-v69p-hj2v"],"status":"published","title":"The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad A285, BIOS versions up...","description":"The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad A285, BIOS versions up to r0xuj70w; A485, BIOS versions up to r0wuj65w; T495 BIOS versions up to r12uj55w; T495s/X395, BIOS versions up to r13uj47w, while the emergency-reset button is pressed which may allow for unauthorized access.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.00313,"percentile":0.2439,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2020-09-01T21:30:16Z","modified":"2026-06-17T03:26:17Z","products":[{"vendor":"lenovo","product":"thinkpad a285 bios"},{"vendor":"lenovo","product":"thinkpad a485 bios"},{"vendor":"lenovo","product":"thinkpad t495 bios"},{"vendor":"lenovo","product":"thinkpad t495s/x395 bios"},{"vendor":"lenovo","product":"thinkpad_a275_firmware"},{"vendor":"lenovo","product":"thinkpad_a285_firmware"},{"vendor":"lenovo","product":"thinkpad_a475_firmware"},{"vendor":"lenovo","product":"thinkpad_a485_firmware"},{"vendor":"lenovo","product":"thinkpad_t495_drift_firmware"},{"vendor":"lenovo","product":"thinkpad_t495s_jazz_firmware"},{"vendor":"lenovo","product":"thinkpad_x1_carbon_\\(20bx\\)_firmware"},{"vendor":"lenovo","product":"thinkpad_x395_firmware"}],"references":[{"url":"https://support.lenovo.com/us/en/product_security/LEN-30042","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8335"},{"url":"https://github.com/advisories/GHSA-fvh7-v69p-hj2v"}],"sources":{"cve":[{"id":"CVE-2020-8335","description":"The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad A285, BIOS versions up to r0xuj70w; A485, BIOS versions up to r0wuj65w; T495 BIOS versions up to r12uj55w; T495s/X395, BIOS versions up to r13uj47w, while the emergency-reset button is pressed which may allow for unauthorized access.","status":"published","published":"2020-09-01T21:30:16.224Z","modified":"2024-09-16T18:04:17.802Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:35:50.88562Z"}],"euvd":[{"id":"EUVD-2020-29202","description":"The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad A285, BIOS versions up to r0xuj70w; A485, BIOS versions up to r0wuj65w; T495 BIOS versions up to r12uj55w; T495s/X395, BIOS versions up to r13uj47w, while the emergency-reset button is pressed which may allow for unauthorized access.","status":"published","published":"2020-09-01T21:30:16Z","modified":"2024-09-16T18:04:17Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"medium"}],"updated_at":"2026-11-03T00:55:35.786755Z"}],"ghsa":[{"id":"GHSA-fvh7-v69p-hj2v","title":"The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad A285, BIOS versions up...","description":"The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad A285, BIOS versions up to r0xuj70w; A485, BIOS versions up to r0wuj65w; T495 BIOS versions up to r12uj55w; T495s/X395, BIOS versions up to r13uj47w, while the emergency-reset button is pressed which may allow for unauthorized access.","status":"published","published":"2022-05-24T17:27:16Z","modified":"2023-01-29T05:04:21Z","updated_at":"2026-11-02T14:45:32.201087Z"}],"nvd":[{"id":"CVE-2020-8335","description":"The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad A285, BIOS versions up to r0xuj70w; A485, BIOS versions up to r0wuj65w; T495 BIOS versions up to r12uj55w; T495s/X395, BIOS versions up to r13uj47w, while the emergency-reset button is pressed which may allow for unauthorized access.","status":"published","published":"2020-09-01T22:15:10.313Z","modified":"2026-06-17T03:26:17.42Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:13.600965Z"}]}}