What’s Vulnerable › Vulnerabilities

CVE-2022-42472

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-02-16 · updated 2026-10-22
• Weakness: CWE-113

Description

A improper neutralization of crlf sequences in http headers ('http response splitting') vulnerability in Fortinet FortiOS 7.2.0 through 7.2.2, FortiOS 7.0.0 through 7.0.8, FortiOS 6.4.0 through 6.4.12, FortiOS 6.2 all versions, FortiOS 6.0 all versions, FortiProxy 7.2.0 through 7.2.1, FortiProxy 7.0.0 through 7.0.7, FortiProxy 2.0.0 through 2.0.10, FortiProxy 1.2 all versions, FortiProxy 01.02 all versions, FortiProxy 1.1 all versions, FortiProxy 01.01 all versions may allow an authenticated and remote attacker to perform an HTTP request splitting attack which gives attackers control of the remaining headers and body of the response.

Affected products

• Fortinet FortiOS (FortiGate): from 6.0.1 through 6.0.16; from 6.2.0 through 6.2.12; from 6.4.0 through 6.4.11; from 7.0.0 through 7.0.8; 7.2.0, 7.2.1, 7.2.2
• Fortinet FortiProxy: from 1.1.0 through 1.1.6; from 1.2.0 through 1.2.13; from 2.0.0 through 2.0.10; from 7.0.0 through 7.0.7; 7.2.0, 7.2.1

References

• https://fortiguard.com/psirt/FG-IR-22-362
• https://fortiguard.com/psirt/FG-IR-22-362

Get alerted when CVE-2022-42472 or the next vulnerability affects your stack