CVE-2025-62398
Moodle: possible to bypass mfa
A serious authentication flaw allowed attackers with valid credentials to bypass multi-factor authentication under certain conditions, potentially compromising user accounts.
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
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Moodle: possible to bypass mfa
A serious authentication flaw allowed attackers with valid credentials to bypass multi-factor authentication under certain conditions, potentially compromising user accounts.
- Record
CVE-2025-62398- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
EUVDEUVD-2025-35669
A serious authentication flaw allowed attackers with valid credentials to bypass multi-factor authentication under certain conditions, potentially compromising user accounts.
- Record
EUVD-2025-35669- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-25wf-7x6c-wmpf
Moodle does not properly enforce MFA
A serious authentication flaw allowed attackers with valid credentials to bypass multi-factor authentication under certain conditions, potentially compromising user accounts.
- Record
GHSA-25wf-7x6c-wmpf- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
NVD
A serious authentication flaw allowed attackers with valid credentials to bypass multi-factor authentication under certain conditions, potentially compromising user accounts.
- Record
CVE-2025-62398- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
OSV
Moodle: possible to bypass mfa
A serious authentication flaw allowed attackers with valid credentials to bypass multi-factor authentication under certain conditions, potentially compromising user accounts.
- Record
CVE-2025-62398- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
OSVGHSA-25wf-7x6c-wmpf
Moodle does not properly enforce MFA
A serious authentication flaw allowed attackers with valid credentials to bypass multi-factor authentication under certain conditions, potentially compromising user accounts.
- Record
GHSA-25wf-7x6c-wmpf- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2025-62398
A serious authentication flaw allowed attackers with valid credentials to bypass multi-factor authentication under certain conditions, potentially compromising user accounts.
- Record
UBUNTU-CVE-2025-62398- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Updated
- 2026-11-02
OSVBIT-moodle-2025-62398 No score
Moodle: possible to bypass mfa
A serious authentication flaw allowed attackers with valid credentials to bypass multi-factor authentication under certain conditions, potentially compromising user accounts.
- Record
BIT-moodle-2025-62398- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
moodle/moodlePackagist |
5.0.0-beta up to 5.0.3 | 5.0.3 |
moodle/moodlePackagist |
4.5.0-beta up to 4.5.7 | 4.5.7 |
moodle/moodlePackagist |
4.4.0-beta up to 4.4.11 | 4.4.11 |
moodleBitnami |
4.4.0 up to 4.4.11, 4.5.0 up to 4.5.7, 5.0.0 up to 5.0.3 | 4.4.114.5.75.0.3 |
moodle/moodlePackagist |
5.0.0-beta up to 5.0.3, plus listed versions v5.0.0v5.0.0-betav5.0.0-rc1v5.0.0-rc2v5.0.0-rc3v5.0.1v5.0.2 |
5.0.3 |
moodle/moodlePackagist |
4.5.0-beta up to 4.5.7, plus listed versions v4.5.0v4.5.0-betav4.5.0-rc1v4.5.0-rc2v4.5.1 Show 5 moreShow lessv4.5.2v4.5.3v4.5.4v4.5.5v4.5.6 |
4.5.7 |
moodle/moodlePackagist |
4.4.0-beta up to 4.4.11, plus listed versions v4.4.0v4.4.0-betav4.4.0-rc1v4.4.0-rc2v4.4.1 Show 9 moreShow lessv4.4.10v4.4.2v4.4.3v4.4.4v4.4.5v4.4.6v4.4.7v4.4.8v4.4.9 |
4.4.11 |
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-2025-62398 is a medium vulnerability (CVSS 5.4) in Moodle, published October 23, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.25%, the 15th percentile. Fixed in moodle/moodle 5.0.3.
References
access.redhat.com/security/cve/CVE-2025-62398
bugzilla.redhat.com/show_bug.cgi?id=2404431
nvd.nist.gov/vuln/detail/CVE-2025-62398
github.com/moodle/moodle/commit/67005f8b2098096f4c7ca4f78ab9ce69415d703b
moodle.org/mod/forum/discuss.php?d=470387