CVE-2020-27837
6.4
MEDIUM
CVSS 3.1
EPSS 0.04%
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.
How to fix CVE-2020-27837
To remediate CVE-2020-27837, upgrade the affected package to a fixed version below.
- —upgrade to 3.38.2.1-1 or later
Is CVE-2020-27837 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 3.38.2.1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.4 | CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |