Fortinet FortiOS: Improper Certificate Validation (CVE-2022-39948)

Fortinet FortiOS: Improper Certificate Validation (CVE-2022-39948)

Severity

9

CVSS

(AV:N/AC:M/Au:N/C:C/I:C/A:N)

Published

02/16/2023

Created

02/28/2023

Added

02/27/2023

Modified

01/28/2025

Description

An improper certificate validation vulnerability [CWE-295] in FortiOS 7.2.0 through 7.2.3, 7.0.0 through 7.0.7, 6.4 all versions, 6.2 all versions, 6.0 all versions and FortiProxy 7.0.0 through 7.0.6, 2.0 all versions, 1.2 all versions may allow a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the communication channel between the FortiOS/FortiProxy device and remote servers hosting threat feeds (when the latter are configured as Fabric connectors in FortiOS/FortiProxy)

Solution(s)

• fortios-upgrade-7_0_8
• fortios-upgrade-7_2_4

References

• https://attackerkb.com/topics/cve-2022-39948
• CVE - 2022-39948
• https://fortiguard.com/psirt/FG-IR-22-257