Moodle Auth Bypass: Unauthorized Cohort Data Access
CVE-2025-3647 Published on April 25, 2025
Moodle: idor when accessing the cohorts report
A flaw was discovered in Moodle. Additional checks were required to ensure that users can only access cohort data they are authorized to retrieve.
Vulnerability Analysis
CVE-2025-3647 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.
Timeline
Reported to Red Hat.
Made public. 7 days later.
Weakness Type
What is an AuthZ Vulnerability?
The software performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.
CVE-2025-3647 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2025-3647
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Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.