CVE-2025-67853 - CVE House
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Status published High CVE-2025-67853

Moodle: moodle: brute-force facilitation due to missing rate limiting in confirmation email service

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Red Hat would like to thank Petr Skoda for reporting this issue.

Affected Vendor

Affected Software

Unknown
Vulnerable Versions:
4.1.0, 4.4.0, 4.5.0, 5.0.0, 5.1.0

Timeline

Official Publish: February 3rd, 2026
Last Modified: February 3rd, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weaknesses (CWE)