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CVE-2020-25697: x.org x_server

CVSS: 7.0v3.1HighModified
AliasesSUSE-SU-2023:3189-1SUSE-SU-2023:3190-1UBUNTU-CVE-2020-25697
Published 26-05-2021Last modified 04-08-2024

Vulnerability summary

CVE-2020-25697 is a high (CVSS 7.0) vulnerability in x.org x_server. EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 22.7% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.0/10
010
High · v3.1 (NVD)
EPSS score
0.31%
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 0 · Related 2

Timeline

  1. 26-05-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

A privilege escalation flaw was found in the Xorg-x11-server due to a lack of authentication for X11 clients. This flaw allows an attacker to take control of an X application by impersonating the server it is expecting to connect to.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.31%

Chance of exploitation in the next 30 days

Percentile

23%

Versus all other CVEs

30-day change

0.00 pp

From 0.31% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.31%

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

Suse4 products
  • xtrans&distro=SUSE Linux Enterprise Module for Basesystem 15 SP4< 1.3.5-150000.3.3.1
  • xtrans&distro=SUSE Linux Enterprise Module for Basesystem 15 SP5< 1.3.5-150000.3.3.1
  • xtrans&distro=SUSE Linux Enterprise Real Time 15 SP3< 1.3.5-150000.3.3.1
  • xtrans&distro=SUSE Linux Enterprise Software Development Kit 12 SP5< 1.3.5-5.3.1
Opensuse3 products
  • xtrans&distro=openSUSE Leap 15.4< 1.3.5-150000.3.3.1
  • xtrans&distro=openSUSE Leap 15.5< 1.3.5-150000.3.3.1
  • xtrans&distro=openSUSE Tumbleweed< 1.5.0-1.1
Chainguard1 product
  • xorg-serverAll versions (No fix recorded)
Ubuntu1 product
  • libx11All versions (No fix recorded)
Wolfi1 product
  • xorg-serverAll versions (No fix recorded)
X.org1 product

6 vendors · 11 products

References

11 links
Show all 11 references