{"id":"CVE-2020-14345","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-14345","generatedAt":"2026-10-27T21:20:22.556Z","title":"An Out-Of-Bounds access in XkbSetNames function may lead to a privilege escalation vulnerability.","description":"A flaw was found in X.Org Server before xorg-x11-server 1.20.9. An Out-Of-Bounds access in XkbSetNames function may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.","published":"2020-09-15T14:15:14.000Z","lastModified":"2026-06-17T02:54:36.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-119"],"affected":["x.org/x server","canonical/ubuntu linux"],"epss":{"score":0.00594,"percentile":0.48118,"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":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.59%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://www.openwall.com/lists/oss-security/2021/01/15/1","tags":["Mailing List","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1862241","tags":["Issue Tracking","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://lists.x.org/archives/xorg-announce/2020-August/003058.html","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"https://security.gentoo.org/glsa/202012-01","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://usn.ubuntu.com/4488-2/","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://usn.ubuntu.com/4490-1/","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-20-1416/","tags":["Third Party Advisory","VDB Entry"],"source":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2021/01/15/1","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1862241","tags":["Issue Tracking","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.x.org/archives/xorg-announce/2020-August/003058.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/202012-01","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/4488-2/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/4490-1/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-20-1416/","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-14345","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."}