Improper Certificate Validation in FortiOS - CVE-2022-39948

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Main Vulnerability Database Vulnerabilities #VU72344

Improper Certificate Validation in FortiOS - CVE-2022-39948

Published: February 17, 2023


Vulnerability identifier: #VU72344
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-2022-39948
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 secure connections with threat feed fabric connectors. A remote attacker can perform MitM attack on the communication channel between the affected device and remote servers hosting threat feeds.


Affected software

FortiOS
RUGGEDCOM APE1808
FortiProxy

How to mitigate CVE-2022-39948

Install updates from vendor's website.

FortiOS - addressed in versions 7.0.8, 7.2.4
FortiProxy - update to 7.0.7

External References

Related Security Bulletins