CVE-2021-20315
CentOS Stream GNOME-Shell Lock Bypass Vulnerability
Description
A locking protection bypass flaw was found in some versions of gnome-shell as shipped within CentOS Stream 8, when the "Application menu" or "Window list" GNOME extensions are enabled. This flaw allows a physical attacker who has access to a locked system to kill existing applications and start new ones as the locked user, even if the session is still locked.
INFO
Published Date :
Feb. 18, 2022, 6:15 p.m.
Last Modified :
Dec. 3, 2022, 1:42 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.2
Exploitability Score :
0.9
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-20315.
| URL | Resource |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=2006285 | Issue Tracking Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-20315 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-20315 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Dec. 03, 2022
Action Type Old Value New Value -
CVE Modified by [email protected]
Oct. 07, 2022
Action Type Old Value New Value Removed CWE Red Hat, Inc. CWE-862 Added CWE Red Hat, Inc. CWE-667 Removed CWE Reason CWE-862 / More specific CWE option available -
Initial Analysis by [email protected]
Feb. 28, 2022
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:N/I:P/A:P) Added CVSS V3.1 NIST AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2006285 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2006285 Issue Tracking, Third Party Advisory Added CWE NIST CWE-667 Added CPE Configuration OR *cpe:2.3:a:gnome:gnome-shell:*:*:*:*:*:*:*:* versions up to (excluding) 3.32.2 Added CPE Configuration OR *cpe:2.3:o:centos:stream:8:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-20315 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-20315
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.06 }} 0.01%
score
0.26070
percentile