CVE-2021-20315 Information

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.

CVSS Vector

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Reference

https://bugzilla.redhat.com/show_bug.cgi?id=2006285

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

HIGH

Base Severity

6.1