CVE-2021-40691
Moodle Improper Authentication
4.3
MEDIUM
CVSS 3.1
EPSS 0.38%
Description
A session hijack risk was identified in the Shibboleth authentication plugin.
How to fix CVE-2021-40691
To remediate CVE-2021-40691, upgrade the affected package to a fixed version below.
- Bitnami/moodle—upgrade to 3.9.10 or later
- Packagist/moodle/moodle—upgrade to 3.9.10 or later
Is CVE-2021-40691 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 3.9.10, >= 3.10.0, < 3.10.7, >= 3.11.0, < 3.11.3
- >= 3.9, < 3.9.10
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |