Vulnerability · Published Feb 18, 2022 · Assigned by redhat

CVE-2021-20315

Medium 6.1

In plain English

A medium-severity security flaw in gnome-shell. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities).

Severity (CVSS NVD)6.1Medium
Exploit odds (30 days)0.2%top 89.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A locking protection bypass flaw was found in some versions of gnome-shell as shipped within CentOS Stream 8, when the "Application menu" or "Window list" GNOME extensions are enabled. This flaw allows a physical attacker who has access to a locked system to kill existing applications and start new ones as the locked user, even if the session is still locked.

Affected products (as reported)

VendorProductVersions
n/a gnome-shell gnome-shell 3.32.2-40.el8

Weakness: CWE-667

References