HTTP response splitting in FortiAnalyzer and FortiManager - CVE-2021-32598
Published: August 3, 2021
Vulnerability identifier: #VU55555
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-32598
CWE-ID: CWE-113
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to perform HTTP splitting attacks.
The vulnerability exists due to software does not correctly processes CRLF character sequences in FortiManager and FortiAnalyzer GUI. A remote user can send specially crafted request containing CRLF sequence and make the application to send a split HTTP response.
Successful exploitation of the vulnerability may allow an attacker perform cache poisoning attack.
Affected software
FortiAnalyzer
FortiManager
FortiManager
How to mitigate CVE-2021-32598
Install updates from vendor's website.
FortiAnalyzer - update to 7.0.1
FortiManager - update to 7.0.1
FortiManager - update to 7.0.1