CVE-2021-31523
7.8
HIGH
CVSS 3.1
EPSS 0.04%
Description
The Debian xscreensaver 5.42+dfsg1-1 package for XScreenSaver has cap_net_raw enabled for the /usr/libexec/xscreensaver/sonar file, which allows local users to gain privileges because this is arguably incompatible with the design of the Mesa 3D Graphics library dependency.
How to fix CVE-2021-31523
To remediate CVE-2021-31523, upgrade the affected package to a fixed version below.
- Debian/xscreensaver—upgrade to 5.45+dfsg1-2 or later
Is CVE-2021-31523 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 5.45+dfsg1-2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |