FortiOS/Proxy Http Header CRLF Injection (V10) 7.2.0-7.6.0
CVE-2024-54021 Published on January 14, 2025
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.
Vulnerability Analysis
CVE-2024-54021 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity and availability.
Weakness Type
What is a HTTP Response Splitting Vulnerability?
The software receives data from an upstream component, but does not neutralize or incorrectly neutralizes CR and LF characters before the data is included in outgoing HTTP headers.
CVE-2024-54021 has been classified to as a HTTP Response Splitting vulnerability or weakness.
Products Associated with CVE-2024-54021
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Affected Versions
Fortinet FortiOS:- Version 7.6.0 is affected.
- Version 7.4.0, <= 7.4.4 is affected.
- Version 7.2.0, <= 7.2.8 is affected.
- Version 7.4.0, <= 7.4.5 is affected.
- Version 7.2.0, <= 7.2.11 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.