Medium severity · published Jan 3, 2023
CVE-2022-42471
An improper neutralization of CRLF sequences in HTTP headers ('HTTP Response Splitting') vulnerability [CWE-113] In FortiWeb version 7.0.0 through 7.0.2, FortiWeb version 6.4.0…
5.4
CVSS
0.5%
EPSS
No
On KEV
Description
An improper neutralization of CRLF sequences in HTTP headers ('HTTP Response Splitting') vulnerability [CWE-113] In FortiWeb version 7.0.0 through 7.0.2, FortiWeb version 6.4.0 through 6.4.2, FortiWeb version 6.3.6 through 6.3.20 may allow an authenticated and remote attacker to inject arbitrary headers.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
Fortiweb · Fortinet
6.3.6 through 6.3.21; 6.4.0; 6.4.1; 6.4.2; 7.0.0; 7.0.1; +1 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-42471
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-42471
Patch
https://fortiguard.com/psirt/FG-IR-22-250
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