Main Vulnerability Database Vulnerabilities #VU75010

Improper Certificate Validation in FortiManager and FortiAnalyzer - CVE-2023-22642

Published: April 12, 2023

Vulnerability identifier: #VU75010

CSH Severity: Medium

CVSS v4: 9.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-22642

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 when establishing a secure connection with FortiGuard to download outbreakalerts. A remote attacker can perform MitM attack on the communication channel between the device and the remote FortiGuard server hosting outbreakalert ressources.

Affected software

FortiManager
FortiAnalyzer

How to mitigate CVE-2023-22642

Install updates from vendor's website.

FortiManager - addressed in versions 6.4.11, 7.0.6, 7.2.2
FortiAnalyzer - addressed in versions 6.4.11, 7.0.6, 7.2.2

External References

https://fortiguard.com/psirt/FG-IR-22-502

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