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CVE-2022-42472 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

CNA: [email protected]CVSS-B:4.2 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://fortiguard.com/psirt/FG-IR-22-362	CVE	PatchVendor Advisory
https://fortiguard.com/psirt/FG-IR-22-362	[email protected]	PatchVendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-74	Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')	[email protected]
CWE-113	Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')	[email protected]

Affected Products

Product	Versions
fortinet fortiproxy	>= 1.1.0, <= 1.1.6 >= 1.2.0, <= 1.2.13 >= 2.0.0, <= 2.0.10 >= 7.0.0, <= 7.0.7 7.2.0
CPE cpe:2.3:a:fortinet:fortiproxy:::::::: cpe:2.3:a:fortinet:fortiproxy:7.2.0:::::::* cpe:2.3:a:fortinet:fortiproxy:7.2.1:::::::* Remediation No remediation found in references.
fortinet fortios	>= 6.0.1, <= 6.0.16 >= 6.2.0, <= 6.2.12 >= 6.4.0, <= 6.4.11 >= 7.0.0, <= 7.0.8 7.2.0
CPE 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:::::::* Remediation No remediation found in references.

Change History

9 change records found show changes

Date	Action	Recorded By
Oct 22, 2026	CVE Modified	[email protected]
Oct 22, 2026	CVE Modified	CVE
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 7, 2023	CVE Modified	[email protected]
Aug 8, 2023	CWE Remap	[email protected]
Feb 27, 2023	Initial Analysis	[email protected]