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.
Published: 2020-12-28
Score: 6.4 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
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Remediation

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Advisories
Source ID Title
EUVD EUVD EUVD-2020-20336 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.
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Gnome Gnome Display Manager
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-04T16:25:43.322Z

Reserved: 2020-10-27T00:00:00.000Z

Link: CVE-2020-27837

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-12-28T19:15:13.063

Modified: 2024-11-21T05:21:54.400

Link: CVE-2020-27837

cve-icon Redhat

Severity : Low

Publid Date: 2020-12-11T00:00:00Z

Links: CVE-2020-27837 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses