VDB
CVE-2020-27837
CVE-2020-27837
PUBLISHED
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.
EPSS 0.04% · 12.8th percentile
Risk Scores
EPSS Score
0.04%
12.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:20.04:LTS | gdm3 | 0, 3.34.1-1ubuntu1, 3.36.3-0ubuntu0.20.04.3 |
| Ubuntu:22.04:LTS | gdm3 | 0, 41~rc-0ubuntu2, 41.0-3ubuntu1 |
Timeline
- Dec 28, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 22, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 25, 2021 EPSS Score
- Dec 27, 2021 EPSS Score
- Feb 27, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Jul 2, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
- Nov 5, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-27837 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-27837 third-party-advisory