7.8

CVE-2020-14360: x.org x_server

CVSS: 7.8v3.1HighModified
AliasesALPINE-CVE-2020-14360UBUNTU-CVE-2020-14360DEBIAN-CVE-2020-14360
Published 20-01-2021Last modified 04-08-2024

Vulnerability summary

CVE-2020-14360 is a high (CVSS 7.8) vulnerability in x.org x_server. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 32.4% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.40%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 17 · Related 12

Timeline

  1. 20-01-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

A flaw was found in the X.Org Server before version 1.20.10. An out-of-bounds access in the XkbSetMap 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 metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.40%

Chance of exploitation in the next 30 days

Percentile

32%

Versus all other CVEs

30-day change

0.00 pp

From 0.39% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.40%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu3 products
  • xorg-server< 2:1.15.1-0ubuntu2.11+esm3 | < 2:1.18.4-0ubuntu0.11 | < 2:1.19.6-1ubuntu4.8 | < 2:1.20.8-2ubuntu2.6
  • xorg-server-hwe-16.04< 2:1.19.6-1ubuntu4.1~16.04.5
  • xorg-server-hwe-18.04< 2:1.20.8-2ubuntu2.2~18.04.4
Alpine1 product
  • xorg-server< 1.20.10-r0
Debian1 product
  • xorg-server< 2:1.20.10-1
X.org1 product

4 vendors · 6 products

References

9 links