CVE-2024-54021

Description

An Improper Neutralization of CRLF Sequences in HTTP Headers ('http response splitting') vulnerability [CWE-113] in Fortinet FortiOS 7.2.0 through 7.6.0, FortiProxy 7.2.0 through 7.4.5 may allow a remote unauthenticated attacker to bypass the file filter via crafted HTTP headers.

CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Weakness Type (CWE)

CWE-113 CWE-113

Affected Products

Vendor	Product	Versions
fortinet	fortiproxy	7.2.0 — 7.2.12
fortinet	fortiproxy	7.4.0 — 7.4.6
fortinet	fortios	7.2.0 — 7.2.9
fortinet	fortios	7.4.0 — 7.4.5
fortinet	fortios	All

References

Advisories & Patches

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

Frequently Asked Questions

What is CVE-2024-54021? +

An Improper Neutralization of CRLF Sequences in HTTP Headers ('http response splitting') vulnerability [CWE-113] in Fortinet FortiOS 7.2.0 through 7.6.0, FortiProxy 7.2.0 through 7.4.5 may allow a remote unauthenticated attacker to bypass the file filter via crafted HTTP headers. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2024-54021? +

CVE-2024-54021 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-54021? +

CVE-2024-54021 affects products from fortinet, specifically: fortios, fortiproxy. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-54021? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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