{"id":"CVE-2020-24455","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-24455","generatedAt":"2026-10-27T22:26:32.405Z","title":"Missing initialization of a variable in the TPM2 source may allow a privileged user to potentially enable an escalation of privilege via local access.","description":"Missing initialization of a variable in the TPM2 source may allow a privileged user to potentially enable an escalation of privilege via local access. This affects tpm2-tss before 3.0.1 and before 2.4.3.","published":"2021-02-26T03:15:12.000Z","lastModified":"2026-06-17T03:05:38.000Z","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-909"],"affected":["tpm2 software stack project/tpm2 software stack","fedoraproject/fedora"],"epss":{"score":0.00584,"percentile":0.47627,"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 (0.58%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1902167","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"secure@intel.com"},{"url":"https://github.com/tpm2-software/tpm2-tss/releases/tag/2.4.3","tags":["Release Notes","Third Party Advisory"],"source":"secure@intel.com"},{"url":"https://github.com/tpm2-software/tpm2-tss/releases/tag/3.0.1","tags":["Release Notes","Third Party Advisory"],"source":"secure@intel.com"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7KPOENCMJU4DMT3BDNUBRK25B3DJ47UO/","source":"secure@intel.com"},{"url":"https://security.gentoo.org/glsa/202107-10","tags":["Third Party Advisory"],"source":"secure@intel.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1902167","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/tpm2-software/tpm2-tss/releases/tag/2.4.3","tags":["Release Notes","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/tpm2-software/tpm2-tss/releases/tag/3.0.1","tags":["Release Notes","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7KPOENCMJU4DMT3BDNUBRK25B3DJ47UO/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/202107-10","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-24455","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."}