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CVE-2025-67853

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

Published: Feb 3, 2026Updated: Feb 11, 2026 Sources: CVE List NVD GHSACWE-307
7.5HIGH
NVD MITRE
EPSS Score
0.4%
Top 66.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-307

Affected Products

moodlemoodle
On-premWeb App
Web & CMS Plugins / cms-core
moodle/moodlePackagist
Web App
Web & CMS Plugins / cms-core
moodleoss-projectAUWeb & CMS Pluginsaka jmol plugin, lms
packagistpackage-ecosystemOSS Libraries

Exploitability

Official Patch Available
No detection template yetWe can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Credential Access
View detailed technique mapping

References

https://access.redhat.com/security/cve/CVE-2025-67853
access.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2423847
bugzilla.redhat.com
https://nvd.nist.gov/vuln/detail/CVE-2025-67853
nvd.nist.gov
and 2 more references View all →

Timeline

Published
Feb 3, 2026
Last Updated
Feb 11, 2026

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