CVE-2021-20283
Missing permission check in Moodle
4.3
MEDIUM
CVSS 3.1
EPSS 0.15%
Description
The web service responsible for fetching other users' enrolled courses did not validate that the requesting user had permission to view that information in each course in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17.
How to fix CVE-2021-20283
To remediate CVE-2021-20283, upgrade the affected package to a fixed version below.
- Bitnami/moodle—upgrade to 3.5.17 or later
- —upgrade to 3.10.2 or later
Is CVE-2021-20283 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 3.5.0, < 3.5.17, >= 3.8.0, < 3.8.8, >= 3.9.0, < 3.9.5, >= 3.10.0, < 3.10.2
- >= 3.10.0, < 3.10.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |