CVE-2020-14345
An Out-Of-Bounds access in XkbSetNames function may lead to a privilege escalation vulnerability.
Does this matter?
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.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.59% probability · 48th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- x.org/x server · canonical/ubuntu linux
- Source
- secalert@redhat.com
EPSS 0.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.openwall.com/lists/oss-security/2021/01/15/1Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1862241Issue Tracking, Third Party Advisory
- https://lists.x.org/archives/xorg-announce/2020-August/003058.htmlVendor Advisory
- https://security.gentoo.org/glsa/202012-01Third Party Advisory
- https://usn.ubuntu.com/4488-2/Third Party Advisory
- https://usn.ubuntu.com/4490-1/Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-1416/Third Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2021/01/15/1Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1862241Issue Tracking, Third Party Advisory
- https://lists.x.org/archives/xorg-announce/2020-August/003058.htmlVendor Advisory
- https://security.gentoo.org/glsa/202012-01Third Party Advisory
- https://usn.ubuntu.com/4488-2/Third Party Advisory
- https://usn.ubuntu.com/4490-1/Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-1416/Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.