CVE-2022-22306

MEDIUM

FortiOS 6.0.0-6.0.14, 6.2.0-6.2.10, 6.4.0-6.4.8, 7.0.0 - MITM via Improper Certificate Validation

Title source: llm

Description

An improper certificate validation vulnerability [CWE-295] in FortiOS 6.0.0 through 6.0.14, 6.2.0 through 6.2.10, 6.4.0 through 6.4.8, 7.0.0 may allow a network adjacent and unauthenticated attacker to man-in-the-middle the communication between the FortiGate and some peers such as private SDNs and external cloud platforms.

References (1)

Core 1

Core References

Vendor Advisory x_refsource_confirm

https://fortiguard.com/psirt/FG-IR-21-239

Scores

CVSS v3 5.4

EPSS 0.0010

EPSS Percentile 27.5%

Attack Vector ADJACENT_NETWORK

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-295

Status published

Products (2)

fortinet/fortios 7.0.0

fortinet/fortios 6.0.0 - 6.0.14

Published May 24, 2022

Tracked Since Feb 18, 2026