5.5

CVE-2023-43090: fedoraproject fedora Missing Authorization

CVSS: 5.5v3.1MediumModified
AliasesMGASA-2023-0311DEBIAN-CVE-2023-43090DSA-5501-1
Published 22-09-2023Last modified 02-08-2024

Vulnerability summary

CVE-2023-43090 is a medium (CVSS 5.5) Missing Authorization vulnerability in fedoraproject fedora. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 21.5% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.30%
0%100%
Low · -0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 1 · Related 1

Timeline

  1. 22-09-2023
    PublishedVulnerability first disclosed.
  2. 02-08-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.30%

Chance of exploitation in the next 30 days

Percentile

22%

Versus all other CVEs

30-day change

-0.03 pp

From 0.33% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.30%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (gitlab.gnome.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • gnome-shell< 44.5-1 | < 43.6-1~deb12u2
Fedoraproject1 product
Gnome1 product
Mageia1 product
  • gnome-shell< 44.2-1.1.mga9
Opensuse1 product
  • gnome-shell&distro=openSUSE Tumbleweed< 45.0-2.1

5 vendors · 5 products

References

9 links