CVE-2021-20315
Last modified
CVE-2021-20315 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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.. EPSS estimates a 0.19% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gnome | Gnome-Shell | < 3.32.2 |
| Centos | Stream | 8 |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2006285Issue Tracking, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2006285Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-20315?
How severe is CVE-2021-20315?
How do I fix CVE-2021-20315?
Are you affected by CVE-2021-20315?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST