CVE-2021-43559
Moodle contains CSRF vulnerability
8.8
HIGH
CVSS 3.1
EPSS 0.11%
Description
A flaw was found in Moodle in versions 3.11 to 3.11.3, 3.10 to 3.10.7, 3.9 to 3.9.10 and earlier unsupported versions. The "delete related badge" functionality did not include the necessary token check to prevent a CSRF risk.
How to fix CVE-2021-43559
To remediate CVE-2021-43559, upgrade the affected package to a fixed version below.
- Bitnami/moodle—upgrade to 3.8.9 or later
- —upgrade to 3.11.4 or later
Is CVE-2021-43559 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 3.8.9, >= 3.9.0, < 3.9.11, >= 3.10.0, < 3.10.8, >= 3.11.0, < 3.11.4
- >= 3.11, < 3.11.4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |