Improper Certificate Validation in FortiOS - CVE-2023-47537

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Main Vulnerability Database Vulnerabilities #VU86280

Improper Certificate Validation in FortiOS - CVE-2023-47537

Published: February 9, 2024


Vulnerability identifier: #VU86280
CSH Severity: Medium
CVSSv4.0: 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/E:U/U:Green
CVE-ID: CVE-2023-47537
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
FortiOS
Software vendor:
Fortinet, Inc

Description

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.


Remediation

Install updates from vendor's website.

External links