CVE-2025-67853

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

State
Published
Severity
7.5 High
Published
Feb 3, 2026
Updated
Feb 3, 2026
Reserved
Dec 12, 2025

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nfedora

Weaknesses

  • CWE-307 Improper Restriction of Excessive Authentication Attempts

Affected Products

ProductVersions
moodle
  • 4.1.0 to before 4.1.22Affected
  • 4.4.0 to before 4.4.12Affected
  • 4.5.0 to before 4.5.8Affected
  • 5.0.0 to before 5.0.4Affected
  • 5.1.0 to before 5.1.1Affected

References

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