CVE-2022-42472A 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 6.4.1…
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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.
- CVSS
- 4.0 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N/E:P/RL:U/RC:C
- Weakness (CWE)
- CWE-113
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- fortinet
- NVD analysis
- Modified
- Record last updated
- Oct 22, 2026
- First seen by InfoSec Signals
- Oct 22, 2026
Affected products
Fortinet FortiProxy fortinet:fortiproxy | from 7.2.0 through 7.2.1; from 7.0.0 through 7.0.7; from 2.0.0 through 2.0.10; from 1.2.1 through 1.2.13; 01.02.00; from 1.1.4 through 1.1.6; from 01.01.00 through 01.01.03 | CNA record |
Fortinet FortiOS fortinet:fortios | from 7.2.0 through 7.2.2; from 7.0.0 through 7.0.8; from 6.4.0 through 6.4.12; from 6.2.0 through 6.2.17; from 6.0.0 through 6.0.18 | CNA record |
fortinet fortiproxy 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 | NVD |
fortinet fortios fortinet:fortios | 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 | NVD |
References
- https://fortiguard.com/psirt/FG-IR-22-362patch, vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.