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CVE-2023-5548
Moodle: cache poisoning risk with endpoint revision numbers
Low3.3EPSS 0.32%
- Published
- Updated
- Reserved
- Assigned by
- fedora
Description
Stronger revision number limitations were required on file serving endpoints to improve cache poisoning protection.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| fedoraCNA (assigner) | 3.1 | Low3.3 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
| NVDNVD · Modified | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.32% · top 75% of all CVEs (7 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 3.3.
Weakness
Affected products
moodle
- affected 4.2.0 – < 4.2.3
- affected 4.1.0 – < 4.1.6
- affected 4.0.0 – < 4.0.11
- affected 3.11.0 – < 3.11.17
- affected < 3.9.24
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Packagistmoodle/moodleGHSA-cwh2-q44x-5w3c (opens in a new tab)
References (3)
- http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-77846 (opens in a new tab)x_transferred
- RHBZ#2243449 (opens in a new tab)issue-trackingx_refsource_REDHATx_transferred
- https://moodle.org/mod/forum/discuss.php?d=451589 (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-cwh2-q44x-5w3c (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-5548)Record last updated .