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CVE-2025-3634

MEDIUMCVSS 4.3/10EPSS 0.22%

Last modified

CVE-2025-3634 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. A security vulnerability was discovered in Moodle that allows students to enroll themselves in courses without completing all the necessary safety checks. Specifically, users can sign up for courses prematurely, even if they haven't finished two-step verification processes.. EPSS estimates a 0.22% chance of exploitation in the next 30 days.

Description

A security vulnerability was discovered in Moodle that allows students to enroll themselves in courses without completing all the necessary safety checks. Specifically, users can sign up for courses prematurely, even if they haven't finished two-step verification processes.

Metrics

CVSS 3.1
4.3/10

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

EPSS Probability
0.22%

12.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MoodleMoodle>= 4.3.0, < 4.3.12
MoodleMoodle>= 4.4.0, < 4.4.8
MoodleMoodle>= 4.5.0, < 4.5.4

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2025-3634?
A security vulnerability was discovered in Moodle that allows students to enroll themselves in courses without completing all the necessary safety checks. Specifically, users can sign up for courses prematurely, even if they haven't finished two-step verification processes.
How severe is CVE-2025-3634?
CVE-2025-3634 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.22% probability of exploitation in the next 30 days.
How do I fix CVE-2025-3634?
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.

Are you affected by CVE-2025-3634?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST