{"id":"CVE-2021-0155","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-0155","generatedAt":"2026-10-27T23:27:30.678Z","title":"Unchecked return value in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable information disclosure via local access.","description":"Unchecked return value in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable information disclosure via local access.","published":"2022-05-12T17:15:09.000Z","lastModified":"2026-06-17T03:29:20.000Z","status":"Modified","sourceIdentifier":"secure@intel.com","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-252"],"affected":["intel/xeon e7-8894 v4 firmware","intel/xeon e7-4809 v4 firmware","intel/xeon e7-4820 v4 firmware","intel/xeon e7-4830 v4 firmware","intel/xeon e7-4850 v4 firmware","intel/xeon e7-8860 v4 firmware","intel/xeon e7-8867 v4 firmware","intel/xeon e7-8870 v4 firmware","intel/xeon e7-8880 v4 firmware","intel/xeon e7-8890 v4 firmware","intel/xeon e7-8891 v4 firmware","intel/xeon e7-8893 v4 firmware","intel/xeon d-1702 firmware","intel/xeon d-1712tr firmware","intel/xeon d-1713nt firmware","intel/xeon d-1713nte firmware","intel/xeon d-1714 firmware","intel/xeon d-1715ter firmware","intel/xeon d-1718t firmware","intel/xeon d-1722ne firmware","intel/xeon d-1726 firmware","intel/xeon d-1732te firmware","intel/xeon d-1733nt firmware","intel/xeon d-1734nt firmware","intel/xeon d-1735tr firmware","intel/xeon d-1736 firmware","intel/xeon d-1736nt firmware","intel/xeon d-1739 firmware","intel/xeon d-1746ter firmware","intel/xeon d-1747nte firmware","intel/xeon d-1748te firmware","intel/xeon d-1749nt firmware","intel/xeon d-2712t firmware","intel/xeon d-2733nt firmware","intel/xeon d-2738 firmware","intel/xeon d-2752nte firmware","intel/xeon d-2752ter firmware","intel/xeon d-2753nt firmware","intel/xeon d-2766nt firmware","intel/xeon d-2775te firmware","intel/xeon d-2776nt firmware","intel/xeon d-2779 firmware","intel/xeon d-2786nte firmware","intel/xeon d-2795nt firmware","intel/xeon d-2796nt firmware","intel/xeon d-2796te firmware","intel/xeon d-2798nt firmware","intel/xeon d-2799 firmware","intel/xeon d-1602 firmware","intel/xeon d-1622 firmware","intel/xeon d-1623n firmware","intel/xeon d-1627 firmware","intel/xeon d-1633n firmware","intel/xeon d-1637 firmware","intel/xeon d-1649n firmware","intel/xeon d-1653n firmware","intel/xeon d-2123it firmware","intel/xeon d-2141i firmware","intel/xeon d-2142it firmware","intel/xeon d-2143it firmware"],"epss":{"score":0.00268,"percentile":0.18729,"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 (0.27%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://security.netapp.com/advisory/ntap-20220818-0003/","tags":["Third Party Advisory"],"source":"secure@intel.com"},{"url":"https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00601.html","tags":["Vendor Advisory"],"source":"secure@intel.com"},{"url":"https://security.netapp.com/advisory/ntap-20220818-0003/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00601.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-0155","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."}