What is CVE-2023-43090?

CVE-2023-43090 is a medium-severity vulnerability in Gnome Gnome-Shell, classified under Missing Authorization. CVSS score: 5.5/10. Published 2023-09-22.

How severe is CVE-2023-43090?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Auth bypass in Gnome Gnome-Shell

CVE-2023-43090

A vulnerability was found in GNOME Shell. GNOME Shell's lock screen allows an unauthenticated local user to view windows of the locked desktop session by using keyboard shortcuts to unlock the restricted functionality of the screenshot tool.

Vulnerability class: Broken Access Control

EPSS: 0.003 (23.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Gnome Gnome-shell — versions 42
Fedoraproject Fedora — versions 37, 38

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

patrick@puiterwijk.org (x_refsource_REDHAT, Third Party Advisory, vdb-entry)
patrick@puiterwijk.org (x_refsource_REDHAT, issue-tracking, Third Party Advisory, Issue Tracking)
patrick@puiterwijk.org (Exploit, Patch, Issue Tracking, Vendor Advisory)
patrick@puiterwijk.org (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-43090?: CVE-2023-43090 is a medium-severity vulnerability in Gnome Gnome-Shell, classified under Missing Authorization. CVSS score: 5.5/10. Published 2023-09-22.
How severe is CVE-2023-43090?: Medium severity. CVSS v3 base score is 5.5 out of 10.