CVE-2025-67853

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/security/cve/CVE-2025-67853	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2423847	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:moodle:moodle::::::::
	cpe:2.3:a:moodle:moodle::::::::
	cpe:2.3:a:moodle:moodle::::::::
	cpe:2.3:a:moodle:moodle::::::::
	cpe:2.3:a:moodle:moodle:5.1.0:-::::::

History

11 Feb 2026, 18:32

Type	Values Removed	Values Added
References	~~() https://access.redhat.com/security/cve/CVE-2025-67853 -~~	() https://access.redhat.com/security/cve/CVE-2025-67853 - Third Party Advisory
References	~~() https://bugzilla.redhat.com/show_bug.cgi?id=2423847 -~~	() https://bugzilla.redhat.com/show_bug.cgi?id=2423847 - Third Party Advisory
First Time		Moodle moodle Moodle
CPE		cpe:2.3:a:moodle:moodle:::::::: cpe:2.3:a:moodle:moodle:5.1.0:-::::::

03 Feb 2026, 11:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-03 11:15

Updated : 2026-02-11 18:32

NVD link : CVE-2025-67853

Mitre link : CVE-2025-67853

CVE.ORG link : CVE-2025-67853

JSON object : View

Products Affected

moodle

moodle

CWE

CWE-307

Improper Restriction of Excessive Authentication Attempts

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