HTTP response splitting in FortiOS and FortiProxy - CVE-2024-54021

 

HTTP response splitting in FortiOS and FortiProxy - CVE-2024-54021

Published: January 14, 2025


Vulnerability identifier: #VU102595
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-54021
CWE-ID: CWE-113
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Fortinet, Inc
Affected software:
FortiOS
FortiProxy

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass the file filter

The vulnerability exists due to software does not correctly process CRLF character sequences. A remote attacker can send a specially crafted request containing CRLF sequence and bypass the file filter.


How to mitigate CVE-2024-54021

Install updates from vendor's website.

Sources