HTTP Response Splitting Vulnerability in Fortinet FortiOS and FortiProxy
CVE-2024-54021

9.8CRITICAL

Key Information:

Vendor

Fortinet
Status
FortiOS
Fortiproxy
Vendor
CVE Published:
14 January 2025

What is CVE-2024-54021?

An improper neutralization of CRLF sequences in HTTP headers has been identified in Fortinet FortiOS versions 7.2.0 through 7.6.0 and FortiProxy versions 7.2.0 through 7.4.5. This vulnerability enables attackers to craft malicious HTTP headers, which could lead to unauthorized code execution or command execution on vulnerable systems. Fortinet users are advised to apply security patches to mitigate potential risks associated with this flaw.

Affected Version(s)

FortiOS 7.6.0

FortiOS 7.4.0 <= 7.4.4

FortiOS 7.2.0 <= 7.2.8

References

https://fortiguard.fortinet.com/psirt/FG-IR-24-282

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

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CVE-2024-54021 : HTTP Response Splitting Vulnerability in Fortinet FortiOS and FortiProxy