CVE-2020-25697: x.org x_server
CVSS: 7.0v3.1HighModified
AliasesSUSE-SU-2023:3189-1SUSE-SU-2023:3190-1UBUNTU-CVE-2020-25697CGA-2cxm-r98c-h852CGA-2p57-5m74-wv6ropenSUSE-SU-2024:12993-1
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.
CVSS score
7.0/10
010
High · v3.1 (NVD)EPSS score
0.31%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 0 · Related 2Timeline
- 26-05-2021PublishedVulnerability first disclosed.
- 04-08-2024Last 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 versionsHigh 7.0Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- OSV · UbuntuEcosystem advisory · calculated7.0HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Medium 4.4Preferred score · NVD (NIST)
AV:L/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
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 score0.31%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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
- x_serverna
6 vendors · 11 products