Fortinet FortiOS/FortiProxy 7.x API Key + PKI: Invalid Cert Bypass
CVE-2024-52965 Published on July 8, 2025

A missing critical step in authentication vulnerability [CWE-304] in Fortinet FortiOS version 7.6.0 through 7.6.1, 7.4.0 through 7.4.5, 7.2.0 through 7.2.10, and before 7.0.16 & FortiProxy version 7.6.0 through 7.6.1, 7.4.0 through 7.4.8, 7.2.0 through 7.2.13 and before 7.0.20 allows an API-user using api-key + PKI user certificate authentication to login even if the certificate is invalid.

NVD

Vulnerability Analysis

CVE-2024-52965 can be exploited with network access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
HIGH
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

Missing Critical Step in Authentication

The software implements an authentication technique, but it skips a step that weakens the technique. Authentication techniques should follow the algorithms that define them exactly, otherwise authentication can be bypassed or more easily subjected to brute force attacks.


Products Associated with CVE-2024-52965

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2024-52965 are published in these products:

Fortinet FortiOS
 
Fortinet FortiProxy
 

Affected Versions

Fortinet FortiOS: Fortinet FortiProxy:

Exploit Probability

EPSS
0.04%
Percentile
11.33%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.