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.

Remediation

Solution:

  • Please upgrade to FortiSASE version 24.3.c or above Please upgrade to FortiOS version 7.6.1 or above Please upgrade to FortiOS version 7.4.5 or above Please upgrade to FortiOS version 7.2.9 or above Please upgrade to FortiProxy version 7.4.6 or above Please upgrade to FortiProxy version 7.2.12 or above

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.08%
Vendor Advisory fortinet.com
Affected: Fortinet FortiOS
Affected: Fortinet FortiProxy
Published at:
Updated at:

References

Link Tags
https://fortiguard.fortinet.com/psirt/FG-IR-24-282 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-54021?
CVE-2024-54021 has been scored as a medium severity vulnerability.
How to fix CVE-2024-54021?
To fix CVE-2024-54021: Please upgrade to FortiSASE version 24.3.c or above Please upgrade to FortiOS version 7.6.1 or above Please upgrade to FortiOS version 7.4.5 or above Please upgrade to FortiOS version 7.2.9 or above Please upgrade to FortiProxy version 7.4.6 or above Please upgrade to FortiProxy version 7.2.12 or above
Is CVE-2024-54021 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-54021 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-54021?
CVE-2024-54021 affects Fortinet FortiOS, Fortinet FortiProxy.
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