What’s Vulnerable › Vulnerabilities

CVE-2020-14321

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 16.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-08-16 · updated 2026-06-17
• Weakness: CWE-863

Description

In Moodle before 3.9.1, 3.8.4, 3.7.7 and 3.5.13, teachers of a course were able to assign themselves the manager role within that course.

Affected products

• Moodle: from 3.5.0 before 3.5.13; from 3.7.0 before 3.7.7; from 3.8.0 before 3.8.4; 3.9.0 — fixed in 3.5.13, 3.7.7, 3.8.4

How to fix

Upgrade to a fixed version: Moodle 3.5.13, 3.7.7, 3.8.4. Check the vendor advisory for mitigations.

References

• https://moodle.org/mod/forum/discuss.php?d=407393
• https://moodle.org/mod/forum/discuss.php?d=407393

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