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Vulnerabilities

Vulnerability · 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.

Published Apr 25, 2025 · catalog updated Apr 25, 2025 · A security vulnerability was

Check if you run it

No confirmed exploitation is on record for CVE-2025-3634. EPSS is 0.26%. Act only if a listed version of A security vulnerability was is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (A security vulnerability was).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium4.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.26%
Remediation
Advisory link
Affected products
vendor fedora

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor fedoraversion unspecified

How to fix CVE-2025-3634

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-3634. EPSS is 0.26%. Act only if a listed version of A security vulnerability was is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.26%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 25, 2025 · EUVD

    Detected

    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.

  2. Apr 25, 2025 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-3634

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-3634

    30-day exploitation probability 0.3%

    first.org
  • EUVDVulnerability recordEUVD-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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.