Improperly implemented security check for standard in FortiOS and FortiProxy - CVE-2024-55599
Published: July 8, 2025
Vulnerability identifier: #VU112495
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-55599
CWE-ID: CWE-358
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 improperly implemented security check for standard. A remote unauthenticated user can bypass the DNS filter via Apple devices.
Affected software
FortiOS
FortiProxy
FortiProxy
How to mitigate CVE-2024-55599
Install update from vendor's website.
FortiOS - addressed in versions 7.2.11, 7.4.8, 7.6.1
FortiProxy - addressed in versions 7.4.9, 7.6.2
FortiProxy - addressed in versions 7.4.9, 7.6.2