{"id":"CVE-2021-0158","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-0158","generatedAt":"2026-10-27T22:27:52.923Z","title":"Improper input validation in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.","description":"Improper input validation in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.","published":"2021-11-17T20:15:09.000Z","lastModified":"2026-10-07T18:17:10.000Z","status":"Modified","sourceIdentifier":"secure@intel.com","cvss":{"version":"3.1","score":6.7,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-20"],"affected":["intel/celeron n2805","intel/celeron n2806","intel/celeron n2807","intel/celeron n2808","intel/celeron n2810","intel/celeron n2815","intel/celeron n2820","intel/celeron n2830","intel/celeron n2840","intel/celeron n2910","intel/celeron n2920","intel/celeron n2930","intel/celeron n2940","intel/celeron n3000","intel/celeron n3010","intel/celeron n3050","intel/celeron n3060","intel/celeron n3150","intel/celeron n3160","intel/celeron n3350","intel/celeron n3350e","intel/celeron n3450","intel/celeron n4000","intel/celeron n4020","intel/celeron n4100","intel/celeron n4120","intel/celeron n4500","intel/celeron n4505","intel/celeron n5100","intel/celeron n5105","intel/celeron n6210","intel/celeron n6211","intel/core i3-1000g1","intel/core i3-1000g4","intel/core i3-1005g1","intel/core i3-10100","intel/core i3-10100e","intel/core i3-10100f","intel/core i3-10100t","intel/core i3-10100te","intel/core i3-10100y","intel/core i3-10105","intel/core i3-10105f","intel/core i3-10105t","intel/core i3-10110u","intel/core i3-10110y","intel/core i3-10300","intel/core i3-10300t","intel/core i3-10305","intel/core i3-10305t","intel/core i3-10320","intel/core i3-10325","intel/core i3-11100he","intel/core i3-1110g4","intel/core i3-1115g4","intel/core i3-1115g4e","intel/core i3-1115gre","intel/core i3-1120g4","intel/core i3-1125g4","intel/core i3-7020u"],"epss":{"score":0.03023,"percentile":0.87365,"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 (3.02%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00562.html","tags":["Vendor Advisory"],"source":"secure@intel.com"},{"url":"https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00562.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-0158","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."}