6.4
CVE-2020-27837
- EPSS 0.06%
- Published 28.12.2020 19:15:13
- Last modified 21.11.2024 05:21:54
- Source secalert@redhat.com
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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.
Data is provided by the National Vulnerability Database (NVD)
Gnome ≫ Gnome Display Manager Version < 3.38.2.1
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
| Type | Source | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.06% | 0.173 |
| Source | Base Score | Exploit Score | Impact Score | Vector string |
|---|---|---|---|---|
| nvd@nist.gov | 6.4 | 0.5 | 5.9 |
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
|
| nvd@nist.gov | 4.4 | 3.4 | 6.4 |
AV:L/AC:M/Au:N/C:P/I:P/A:P
|
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.