Cyber Resilience

CVE-2024-54021

Medium

Published: 14 January 2025

Published
14 January 2025
Modified
08 August 2025
KEV Added
Patch
CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
EPSS Score 0.0011 29.2th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-54021 is a medium-severity HTTP Request/Response Splitting (CWE-113) vulnerability in Fortinet Fortios. Its CVSS base score is 6.5 (Medium).

Operationally, ranked at the 29.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

fortinet
fortiproxy
7.2.0 — 7.2.12 · 7.4.0 — 7.4.6
fortinet
fortios
7.6.0 · 7.2.0 — 7.2.9 · 7.4.0 — 7.4.5

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References