CVE-2025-3634

4.3 MEDIUM 0.3% exploit odds No fix listed Auth & access Web app

What it is

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.

At a glance

Exploitability: Can be exploited over the network with a low-privilege account. Limited direct impact.
Exploit odds: 0.3% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2025-04-25 14:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 09:20 UTC Last updatedMost recent change to the record

Details

Published: 2025-04-25 14:15 UTC
Last modified: 2026-06-17 09:20 UTC
Exploit probability: 0.3% · EPSS, next 30 days
Weakness: CWE-287 · Improper authentication
Record status: Analyzed

Affected

Moodle < 4.3.12
Moodle < 4.4.8
Moodle < 4.5.4

Attack profile CVSS 3.1 · 4.3

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: Low
Availability: None

Raw vector

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

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References

NVD record · CVE.org record