Auth bypass in Moodle
CVE-2025-3625
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 class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (32.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- access.redhat.com/security/cve/CVE-2025-3625 (Third Party Advisory, vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (issue-tracking, Issue Tracking)
Frequently asked questions
- What is CVE-2025-3625?
- CVE-2025-3625 is a high-severity vulnerability in Moodle, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.1/10. Published 2025-04-25.
- How severe is CVE-2025-3625?
- High severity. CVSS v3 base score is 7.1 out of 10.
- Is CVE-2025-3625 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.