CVE-2020-25698: Users' enrollment capabilities were not being sufficiently checked in Moodle when they are restored into an existing course. This could lead to them u...

Description

Users' enrollment capabilities were not being sufficiently checked in Moodle when they are restored into an existing course. This could lead to them unenrolling users without having permission to do so. Versions affected: 3.5 to 3.5.14, 3.7 to 3.7.8, 3.8 to 3.8.5, 3.9 to 3.9.2 and earlier unsupported versions. Fixed in 3.9.3, 3.8.6, 3.7.9, 3.5.15, and 3.10.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS Probability

1.90%

77.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions
Moodle	Moodle	>= 3.5.0, <= 3.5.14
Moodle	Moodle	>= 3.7.0, <= 3.7.8
Moodle	Moodle	>= 3.8.0, <= 3.8.5
Moodle	Moodle	>= 3.9.0, <= 3.9.2
Fedoraproject	Fedora	32
Fedoraproject	Fedora	33

References

Timeline

Published: Nov 19, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-25698?

Users' enrollment capabilities were not being sufficiently checked in Moodle when they are restored into an existing course. This could lead to them unenrolling users without having permission to do so. Versions affected: 3.5 to 3.5.14, 3.7 to 3.7.8, 3.8 to 3.8.5, 3.9 to 3.9.2 and earlier unsupported versions. Fixed in 3.9.3, 3.8.6, 3.7.9, 3.5.15, and 3.10.

How severe is CVE-2020-25698?

CVE-2020-25698 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.90% probability of exploitation in the next 30 days.

How do I fix CVE-2020-25698?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.