Moodle 2FA Bypass via Sensitive Data Leakage
CVE-2025-3625 Published on April 25, 2025
Moodle: user dos and name disclosure via idor in moodle mfa email factor revoke action
A security vulnerability was discovered in Moodle that can allow hackers to gain access to sensitive information about students and prevent them from logging into their accounts, even after they had completed two-factor authentication (2FA).
Vulnerability Analysis
CVE-2025-3625 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 a high impact on availability.
Timeline
Reported to Red Hat.
Made public. 7 days later.
Weakness Type
What is an Insecure Direct Object Reference / IDOR Vulnerability?
The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.
CVE-2025-3625 has been classified to as an Insecure Direct Object Reference / IDOR vulnerability or weakness.
Products Associated with CVE-2025-3625
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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.