CVE-2021-20315 describes a locking protection bypass in gnome-shell, specifically affecting CentOS Stream 8 systems with the "Application menu" or "Window list" GNOME extensions enabled. This flaw allows a physical attacker to kill running applications and launch new ones as the locked user, even when the session is locked. Rated Medium (CVSS 6.1), it requires physical access (AV:P) but has low attack complexity (AC:L), potentially leading to high integrity and availability impacts (I:H, A:H). There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.32.2CPE matchmatch criteria | cpe:2.3:a:gnome:gnome-shell:*:*:*:*:*:*:*:* | ||
8CPE matchmatch criteria | cpe:2.3:o:centos:stream:8:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
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The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.