Vulnerability · Published Oct 23, 2025 · Assigned by fedora
CVE-2025-62397Moodle: router produces json instead of 404 error for invalid course id
Medium 5.3
In plain English
A medium-severity security flaw in moodle. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.3%top 79.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The router’s inconsistent response to invalid course IDs allowed attackers to infer which course IDs exist, potentially aiding reconnaissance.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| moodle | 5.0.0 – before 5.0.3 |
Weakness: CWE-209 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
References
- https://access.redhat.com/security/cve/CVE-2025-62397 vdb-entry, x_refsource_REDHAT
- RHBZ#2404430 issue-tracking, x_refsource_REDHAT