🛡️ CVE-2023-43090 — fedora
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.
How this vulnerability can be exploited
This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity none, availability none.
Weakness class
CVE-2023-43090 is classified as CWE-862: Missing Authorization. No authorisation check is performed before carrying out a restricted action.
Affected software
CVE-2023-43090 is recorded against 2 packages.
- fedora
- gnome-shell
Timeline and source
Published on 22 September 2023 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. A vendor advisory or fix has been published. Record sourced from NVD.
References
access.redhat.com
bugzilla.redhat.com
gitlab.gnome.org
gitlab.gnome.org
access.redhat.com
bugzilla.redhat.com
gitlab.gnome.org
gitlab.gnome.org
CVE-2023-43090 on other distributions
Each distribution ships its own build and its own fixed version. Pick the one you run:
Details
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| fedora | — | — |
| gnome-shell | — | — |
References
Similar Threats
- High CVE-2022-0096
- High CVE-2022-0100
- Critical CVE-2022-0097
- High CVE-2022-0102
- High CVE-2022-0098
More CVE 2023 advisories
Browse all of CVE 2023 in the advisory index.
Exploit Protection
Are you running fedora?
CVE-2023-43090 carries CVSS 5.5 Medium rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.
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