CVE-2025-67853
Moodle: moodle: brute-force facilitation due to missing rate limiting in confirmation email service
7.5
HIGH
CVSS 3.1
EPSS 0.03%
Description
A flaw was found in Moodle. A remote attacker could exploit a lack of proper rate limiting in the confirmation email service. This vulnerability allows attackers to more easily enumerate or guess user credentials, facilitating brute-force attacks against user accounts.
How to fix CVE-2025-67853
To remediate CVE-2025-67853, upgrade the affected package to a fixed version below.
- —upgrade to 4.1.22 or later
- —upgrade to 4.1.22 or later
Is CVE-2025-67853 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.1.22, >= 4.4.0, < 4.4.11, >= 4.5.0, < 4.5.8, >= 5.0.0, < 5.0.4, >= 5.1.0, < 5.1.1
- from 0, < 4.1.22
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |