Vulnerability · Published Feb 16, 2023 · Assigned by fortinet

CVE-2022-42472

Medium 4.0

In plain English

A medium-severity security flaw in FortiOS from Fortinet. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities).

Severity (CVSS 3.1)4.0Medium
Exploit odds (30 days)0.5%top 59.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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 (as reported)

VendorProductVersions
Fortinet FortiProxy 7.2.0 – through 7.2.17.0.0 – through 7.0.72.0.0 – through 2.0.101.2.1 – through 1.2.1301.02.001.1.4 – through 1.1.601.01.00 – through 01.01.03
Fortinet FortiOS 7.2.0 – through 7.2.27.0.0 – through 7.0.86.4.0 – through 6.4.126.2.0 – through 6.2.176.0.0 – through 6.0.18

Weakness: CWE-113 · Vector: 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

References