CVE-2020-27837
Medium
Description
A flaw was found in GDM in versions prior to 3.38.2.1. A race condition in the handling of session shutdown makes it possible to bypass the lock screen for a user that has autologin enabled, accessing their session without authentication. This is similar to CVE-2017-12164, but requires more difficult conditions to exploit.
SeverityMedium
CVSS6.4
Exploit probability—
ProductGnome Display Manager
PublishedDec 28, 2020
First seenDec 28, 2020
Weakness typeCWE-362Race condition
How to fix
Update
- gnome gnome_display_manager3.38.2.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| gnome gnome_display_manager | v < 3.38.2.1 | 3.38.2.1 |
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