Man-in-the-Middle (MitM) attack in FortiOS and FortiProxy - CVE-2024-50568

 

Man-in-the-Middle (MitM) attack in FortiOS and FortiProxy - CVE-2024-50568

Published: June 11, 2025 / Updated: June 13, 2025


Vulnerability identifier: #VU111045
CSH Severity: Medium
CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-50568
CWE-ID: CWE-300
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to manipulate data.

The vulnerability exists due to channel accessible by non-endpoint ('man-in-the-middle') in security fabric daemon. An unauthenticated attacker with the knowledge of device specific data can spoof the identity of a downstream device of the security fabric via crafted TCP requests.


Affected software

FortiOS
FortiProxy

How to mitigate CVE-2024-50568

Install update from vendor's website.

FortiOS - addressed in versions 7.2.9, 7.4.4
FortiProxy - addressed in versions 7.0.17, 7.2.10, 7.4.4

External References

Related Security Bulletins