{"id":"CVE-2021-33120","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-33120","generatedAt":"2026-10-27T23:43:24.303Z","title":"Out of bounds read under complex microarchitectural condition in memory subsystem for some Intel Atom(R) Processors may allow authenticated user to potentially enable information disclosure or cause denial of service via network access.","description":"Out of bounds read under complex microarchitectural condition in memory subsystem for some Intel Atom(R) Processors may allow authenticated user to potentially enable information disclosure or cause denial of service via network access.","published":"2022-02-09T23:15:16.000Z","lastModified":"2026-06-17T03:54:12.000Z","status":"Modified","sourceIdentifier":"secure@intel.com","cvss":{"version":"3.1","score":5.4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L"},"cwe":["CWE-125"],"affected":["intel/atom p5942b firmware","intel/atom p5931b firmware","intel/atom p5962b firmware","intel/atom p5921b firmware","intel/xeon d1700 firmware","intel/xeon d2700 firmware","intel/core i5-l16g7 firmware","intel/core i3-l13g4 firmware","intel/pentium j6425 firmware","intel/pentium n6415 firmware","intel/celeron j6413 firmware","intel/celeron n6211 firmware","intel/atom x6413e firmware","intel/atom x6425re firmware","intel/atom x6427fe firmware","intel/atom x6212re firmware","intel/atom x6200fe firmware","intel/atom x6211e firmware","intel/atom x6425e firmware","intel/pentium silver n6005 firmware","intel/pentium silver n6000 firmware","intel/celeron n4505 firmware","intel/celeron n4500 firmware","intel/celeron n5105 firmware","intel/celeron n5100 firmware"],"epss":{"score":0.0095,"percentile":0.61011,"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 (0.95%). 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-00589.html","tags":["Mitigation","Vendor Advisory"],"source":"secure@intel.com"},{"url":"https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00589.html","tags":["Mitigation","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-33120","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."}