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Incorrect Authorization

CVE-2025-3645

Medium
4.3/10

Summary

A flaw was found in Moodle versions through 4.1.17, 4.2.0-beta through 4.3.11, 4.4.0-beta through 4.4.7, 4.5.0-beta through 4.5.3, and 5.0.0-beta through 5.0.0-rc2. Insufficient capability checks in a messaging web service allowed users to view other users' names and online statuses.

  • LOW
  • NETWORK
  • NONE
  • UNCHANGED
  • NONE
  • LOW
  • LOW
  • NONE

CWE-863 - Incorrect Authorization

Authorization is a security mechanism performed by an application to grant or deny access to the requested resources by verifying the privileges of the user. When an application lacks effective authorization mechanisms, it enables unauthorized users to gain unintended privileges and illegitimate access to resources. Such a vulnerability may result in exposure of sensitive information, denial of service, arbitrary code execution, and complete system takeover.

References

Advisory Timeline

  • Published