🛡️ CVE-2023-5543 — extra-packages-for-enterprise-linux

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity none, availability none.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

• Attack vector: Local — a local account, shell or session on the host is needed.
• Attack complexity: Low — the attack works reliably, with no preparation.
• Privileges required: None — an unauthenticated stranger can try it.
• User interaction: Required — someone has to click, open or visit something.
• Scope: Unchanged — the damage stays inside the vulnerable component.
• Confidentiality impact: Low — limited, and the attacker does not choose what is affected.
• Integrity impact: None.
• Availability impact: None.

Weakness class

CVE-2023-5543 is classified as CWE-284: Improper Access Control. The software does not restrict an action to the actors that should be allowed to perform it.

Affected software

CVE-2023-5543 is recorded against 3 packages.

• extra-packages-for-enterprise-linux
• fedora
• moodle

Timeline and source

Published on 9 November 2023 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

git.moodle.org
bugzilla.redhat.com
moodle.org
git.moodle.org
bugzilla.redhat.com
moodle.org

Other advisories for this package

extra-packages-for-enterprise-linux has other advisories on record. If you are patching this one, these are worth checking on the same host:

• CVE-2024-0232 (4.7 Medium, published 16 Jan 2024)
• CVE-2023-6395 (6.7 Medium, published 16 Jan 2024)
• CVE-2023-51766 (5.3 Medium, published 24 Dec 2023)
• CVE-2023-4256 (5.5 Medium, published 21 Dec 2023)
• CVE-2023-4255 (5.5 Medium, published 21 Dec 2023)
• CVE-2023-5764 (7.1 High, published 12 Dec 2023)
• CVE-2023-5341 (6.2 Medium, published 19 Nov 2023)
• CVE-2023-5549 (3.3 Low, published 9 Nov 2023)

Same weakness in other software

These advisories are the same class of weakness (CWE-284: Improper Access Control) in other software:

• CVE-2022-29160 (2.0 Low, published 12 Jul 2026)
• CVE-2022-45438 (published 7 Jul 2026)
• CVE-2016-0757 (published 6 Jul 2026)
• CVE-2002-0170 (8.0 High, published 2 Jul 2026)
• CVE-2000-1212 (published 2 Jul 2026)
• CVE-2022-31231 (5.9 Medium, published 22 May 2026)
• CVE-2023-24215 (9.1 Critical, published 18 May 2026)
• CVE-2023-21968 (3.7 Low, published 8 May 2026)

CVE-2023-5543 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Affected Packages

References