Vulnerability Report

CVE-2025-67853

Title: Moodle Moodle Auth Bypass

Auth Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2025-67853.

CWE Category CWE-307

Published Date Feb 03, 2026

Modified Date Feb 11, 2026

Exploit Status Not Found

Score 7.5 CVSS v3.1

Exploit Probability (EPSS)

0.42%

Vulnerability Summary

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.

Impacted Vendors

moodle 1

Reference Links

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

CVSS v3.1

Source Entity [email protected]

Severity HIGH

7.5

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2025-67853 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

February 11, 2026 MODIFIED

Vulnerability data updated via NVD.

February 11, 2026 MODIFIED

Vulnerability data updated via NVD.

February 03, 2026 MODIFIED

Vulnerability data updated via NVD.

February 03, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.