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.
Fix
Patch, vendor advisory and mitigation references on NVD 2
- https://fortiguard.com/psirt/FG-IR-22-362 Patch, Vendor Advisory
- https://fortiguard.com/psirt/FG-IR-22-362 Patch, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 5.4 · fortinetNVD modified 2026-10-22 14:17
Affected (CPE criteria) 7
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*cpe:2.3:a:fortinet:fortiproxy:7.2.0:*:*:*:*:*:*:*cpe:2.3:a:fortinet:fortiproxy:7.2.1:*:*:*:*:*:*:*cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*cpe:2.3:o:fortinet:fortios:7.2.0:*:*:*:*:*:*:*cpe:2.3:o:fortinet:fortios:7.2.1:*:*:*:*:*:*:*cpe:2.3:o:fortinet:fortios:7.2.2:*:*:*:*:*:*:*
References 2
- https://fortiguard.com/psirt/FG-IR-22-362 Patch, Vendor Advisory
- https://fortiguard.com/psirt/FG-IR-22-362 Patch, Vendor Advisory