CVE-2022-42472

MEDIUM
MEDIUM Priority: 0.03 BB Relevance: 61/100
Published: 2023-02-16 Modified: 2026-10-22 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: None
S: Unchanged
C: Low
I: Low
A: None

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.

Weakness Classification (2)

Affected Software (7)

VendorProductVersion
fortinet fortios 6.0.1 – 6.0.16
fortinet fortios 7.2.0
fortinet fortios 7.2.1
fortinet fortios 7.2.2
fortinet fortiproxy 1.1.0 – 1.1.6
fortinet fortiproxy 7.2.0
fortinet fortiproxy 7.2.1

References & Advisories (1)

Bug Bounty Relevance

61 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

5.4 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

EPSS — Exploitation Probability

0.46%
Raw Score 0.004640
Percentile 40.2%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00464
2026-10-28
0.00464

Intelligence Sources

nvd ref →