CVE-2023-5539 json
Moodle: authenticated remote code execution risk in lesson
published 2023-11-09 2 y ago modified 2026-09-10 1 mo ago also BIT-moodle-2023-5539 , EUVD-2023-2868 , GHSA-3xxm-3g3c-w579
- cvss
- 4.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.2%
- EPSS 2.2% chance of exploitation in 30 days, percentile 82%
- public exploits
- 0
- none known
Summary
A remote code execution risk was identified in the Lesson activity. By default this was only available to teachers and managers.
Patch / fix
- packagist moodle/moodle 4.3.0-rc2
- bitnami moodle 3.9.24, 3.11.17, 4.0.11, 4.1.6, 4.2.3
- moodle moodle 3.9.24, 3.11.17, 4.0.11, 4.1.6, 4.2.3
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2023-5539 updated cvss 4.7
moodle: Authenticated remote code execution risk in Lesson
-
Red Hat All currently supported Red Hat productsnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
2.19% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.7 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L |
| GitHub | 3.1 | 4.7 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| OSV | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | moodle/moodle | <4.3.0-rc2 |
4.3.0-rc2 |
| bitnami | moodle | <3.9.24 >=3.11.0, <3.11.17 >=4.0.0, <4.0.11 >=4.1.0, <4.1.6 >=4.2.0, <4.2.3 |
3.9.24 3.11.17 4.0.11 4.1.6 4.2.3 |
Affected products
- moodle moodle
Classification
- Weakness
-
- CWE-94 Improper Control of Generation of Code
References
-
git.moodle.org
/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-79408
web, patch
-
bugzilla.redhat.com
/show_bug.cgi?id=2243352
issue-tracking, web, patch, third-party-advisory, advisory
-
moodle.org
/mod/forum/discuss.php?d=451580
web, patch, vendor-advisory, advisory
-
github.com
/moodle/moodle/commit/ba974a4add981743b5a37c5bcc4714c62f6052ce
web
-
nvd.nist.gov
/vuln/detail/CVE-2023-5539
advisory, web
-
github.com
/moodle/moodle
package
Sources
- CVE List CVE-2023-5539
- GitHub Advisory GHSA-3xxm-3g3c-w579
- NVD CVE-2023-5539
- OSV BIT-moodle-2023-5539
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.