CVE-2023-5539
Moodle: authenticated remote code execution risk in lesson
4.7
MEDIUM
CVSS 3.1
EPSS 2.2%
Description
A remote code execution risk was identified in the Lesson activity. By default this was only available to teachers and managers.
How to fix CVE-2023-5539
To remediate CVE-2023-5539, upgrade the affected package to a fixed version below.
- Bitnami/moodle—upgrade to 3.9.24 or later
- Packagist/moodle/moodle—upgrade to 4.3.0-rc2 or later
Is CVE-2023-5539 being exploited?
Low — EPSS is 2.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 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
- from 0, < 4.3.0-rc2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.7 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L |