Medium severity · published Feb 16, 2023
CVE-2022-42472
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…
5.4
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
FortiOS · Fortinet
7.2.0 through 7.2.2; 7.0.0 through 7.0.8; 6.4.0 through 6.4.12; 6.2.0 through 6.2.17; 6.0.0 through 6.0.18 · source: vendor, NVD
FO
FortiProxy · Fortinet
7.2.0 through 7.2.1; 7.0.0 through 7.0.7; 2.0.0 through 2.0.10; 1.2.1 through 1.2.13; 01.02.00; 1.1.4 through 1.1.6; +1 more · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-42472
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-42472
Patch
https://fortiguard.com/psirt/FG-IR-22-362
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