Is CVE-2021-20315 actively exploited?

CVE-2021-20315 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2021-20315?

CVE-2021-20315 has a CVSS score of 6.1 (MEDIUM severity). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

How do I patch CVE-2021-20315?

Patch guidance is available from gnome security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-20315.

Which products are affected by CVE-2021-20315?

2 products: gnome gnome-shell, centos stream.

CVE-2021-20315 - remediation guidance & executive summary

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.

CVSS Metrics

Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Attack Vector: physical
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: high
Availability: high
Weaknesses: CWE-667 CWE-667

Metadata

Primary Vendor: GNOME
Published: 2/18/2022
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2021-20315

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary