CVE-2025-3634
Moodle: moodle allows course self-enrolment before completing mfa
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Moodle: moodle allows course self-enrolment before completing mfa
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.
- Record
CVE-2025-3634- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
EUVDEUVD-2025-12531
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.
- Record
EUVD-2025-12531- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-qhc7-xhc2-7p7w
Moodle self enrollment available before completing second factor with MFA enabled
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.
- Record
GHSA-qhc7-xhc2-7p7w- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-3634- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
OSV
Moodle: moodle allows course self-enrolment before completing mfa
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.
- Record
CVE-2025-3634- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
OSVGHSA-qhc7-xhc2-7p7w
Moodle self enrollment available before completing second factor with MFA enabled
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.
- Record
GHSA-qhc7-xhc2-7p7w- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
OSVUBUNTU-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.
- Record
UBUNTU-CVE-2025-3634- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
OSVBIT-moodle-2025-3634 No score
Moodle: moodle allows course self-enrolment before completing mfa
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.
- Record
BIT-moodle-2025-3634- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
moodle/moodlePackagist |
4.3.0-beta up to 4.3.12 | 4.3.12 |
moodle/moodlePackagist |
4.4.0-beta up to 4.4.8 | 4.4.8 |
moodle/moodlePackagist |
4.5.0-beta up to 4.5.4 | 4.5.4 |
moodleBitnami |
4.3.0 up to 4.3.12, 4.4.0 up to 4.4.8, 4.5.0 up to 4.5.4 | 4.3.124.4.84.5.4 |
moodle/moodlePackagist |
4.3.0-beta up to 4.3.12, plus listed versions v4.3.0v4.3.0-betav4.3.0-rc1v4.3.0-rc2v4.3.1 Show 10 moreShow lessv4.3.10v4.3.11v4.3.2v4.3.3v4.3.4v4.3.5v4.3.6v4.3.7v4.3.8v4.3.9 |
4.3.12 |
moodle/moodlePackagist |
4.4.0-beta up to 4.4.8, plus listed versions v4.4.0v4.4.0-betav4.4.0-rc1v4.4.0-rc2v4.4.1 Show 6 moreShow lessv4.4.2v4.4.3v4.4.4v4.4.5v4.4.6v4.4.7 |
4.4.8 |
moodle/moodlePackagist |
4.5.0-beta up to 4.5.4, plus listed versions v4.5.0v4.5.0-betav4.5.0-rc1v4.5.0-rc2v4.5.1v4.5.2v4.5.3 |
4.5.4 |
moodleUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 2.7.9+dfsg-12.7.10+dfsg-12.7.11+dfsg-12.7.11+dfsg-22.7.12+dfsg-13.0.3+dfsg-0ubuntu13.0.3+dfsg-0ubuntu1+esm1 |
None known |
moodleUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 3.0.3+dfsg-0ubuntu13.0.3+dfsg-0ubuntu1+esm1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-3634 is a medium vulnerability (CVSS 4.3) in Moodle, published April 25, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.27%, the 18th percentile. Fixed in moodle/moodle 4.3.12.