Improper Certificate Validation in FortiOS - CVE-2023-47537
Published: February 9, 2024
Vulnerability identifier: #VU86280
CSH Severity: Medium
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-47537
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists due to improper certificate validation in Fortilink. A remote attacker in a Man-in-the-Middle position can decipher and alter the FortiLink communication channel between the FortiOS device and a FortiSwitch instance.
Affected software
FortiOS
RUGGEDCOM APE1808
RUGGEDCOM APE1808
How to mitigate CVE-2023-47537
Install updates from vendor's website.
FortiOS - addressed in versions 7.2.7, 7.4.2