{"id":"CVE-2021-3718","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-3718","generatedAt":"2026-10-28T01:19:26.011Z","title":"A denial of service vulnerability was reported in some ThinkPad models that could cause a system to crash when the Enhanced Biometrics setting is enabled in BIOS.","description":"A denial of service vulnerability was reported in some ThinkPad models that could cause a system to crash when the Enhanced Biometrics setting is enabled in BIOS.","published":"2021-11-12T22:15:08.000Z","lastModified":"2026-06-17T04:05:38.000Z","status":"Modified","sourceIdentifier":"psirt@lenovo.com","cvss":{"version":"3.1","score":4.6,"severity":"MEDIUM","vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-232"],"affected":["lenovo/thinkpad 11e 3rd gen firmware","lenovo/thinkpad 11e 4th gen i3 firmware","lenovo/thinkpad 11e 4th gen i7 firmware","lenovo/thinkpad 11e 4th gen i5 firmware","lenovo/thinkpad 11e 4th gen celeron firmware","lenovo/thinkpad 11e yoga gen 6 firmware","lenovo/thinkpad 13 gen 2 firmware","lenovo/thinkpad e490 firmware","lenovo/thinkpad e490s firmware","lenovo/thinkpad e590 firmware","lenovo/thinkpad l13 firmware","lenovo/thinkpad l13 gen 2 firmware","lenovo/thinkpad l13 yoga firmware","lenovo/thinkpad l13 yoga gen 2 firmware","lenovo/thinkpad l14 gen 1 firmware","lenovo/thinkpad l14 firmware","lenovo/thinkpad l15 gen 1 firmware","lenovo/thinkpad l15 firmware","lenovo/thinkpad l380 firmware","lenovo/thinkpad l380 yoga firmware","lenovo/thinkpad l390 yoga firmware","lenovo/thinkpad l390 firmware","lenovo/thinkpad l490 firmware","lenovo/thinkpad l590 firmware","lenovo/thinkpad p43s firmware","lenovo/thinkpad p52 firmware","lenovo/thinkpad p53s firmware","lenovo/thinkpad p72 firmware","lenovo/thinkpad s5 2nd gen firmware","lenovo/thinkpad t460 firmware","lenovo/thinkpad t490 firmware","lenovo/thinkpad t590 firmware","lenovo/thinkpad s2 gen 6 firmware","lenovo/thinkpad s2 yoga gen 6 firmware","lenovo/thinkpad x12 detachable gen 1 firmware","lenovo/thinkpad x260 firmware","lenovo/thinkpad x380 yoga firmware","lenovo/thinkpad x390 yoga firmware","lenovo/thinkpad 11e 5th gen firmware"],"epss":{"score":0.00217,"percentile":0.12066,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.22%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://support.lenovo.com/us/en/product_security/LEN-72619","tags":["Vendor Advisory"],"source":"psirt@lenovo.com"},{"url":"https://support.lenovo.com/us/en/product_security/LEN-72619","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-3718","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}