Insufficient Capability Checks in Moodle Messaging Service
CVE-2025-3645

4.3MEDIUM

Key Information:

Vendor

Moodle
Status
Vendor
CVE Published:
25 April 2025

What is CVE-2025-3645?

A vulnerability exists in Moodle's messaging web service, where insufficient capability checks permit unauthorized users to access the names and online statuses of other users. This flaw potentially compromises user privacy and could be exploited to gather sensitive information. Proper validation mechanisms are necessary to ensure that users can only view their own information, mitigating the risk of exposing personal data without consent.

References

https://access.redhat.com/security/cve/CVE-2025-3645
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2359761
issue-trackingx_refsource_REDHAT
https://moodle.org/mod/forum/discuss.php?d=467606

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Red Hat would like to thank ostapbender for reporting this issue.
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