Home/CVE/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. T
CVE

CVE-2021-43559

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. T

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.

HIGH · CVSS 8.8 EPSS 0.00109
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-352Cross-Site Request Forgery (CSRF)
CWE-352Cross-Site Request Forgery (CSRF)
▤

Affected Products & Versions

6
moodle<= 3.8.8
moodle>= 3.9.0 and < 3.9.11
moodle>= 3.10.0 and < 3.10.8
moodle>= 3.11.0 and < 3.11.4
fedoraproject extra packages for enterprise linuxall versions
fedoraproject fedoraall versions
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · patrick@puiterwijk.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD22 Nov 2021 · 04:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.redhat.com/show_bug.cgi?id=2021517Issue TrackingThird Party Advisory
https://moodle.org/mod/forum/discuss.php?d=429099PatchVendor Advisory
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