CVE-2023-47537

MEDIUM

FortiOS 7.0.0-7.0.15, 7.2.0-7.2.6, 7.4.0-7.4.1 - Unauthenticated Man-in-the-Middle via FortiLink Certificate Validation

Title source: llm

Description

An improper certificate validation vulnerability in Fortinet FortiOS 7.4.0 through 7.4.1, FortiOS 7.2.0 through 7.2.6, FortiOS 7.0.0 through 7.0.15, FortiOS 6.4 all versions allows a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the FortiLink communication channel between the FortiOS device and FortiSwitch.

References (1)

Core 1

Core References

Vendor Advisory

https://fortiguard.com/psirt/FG-IR-23-301

Scores

CVSS v3 4.8

EPSS 0.0008

EPSS Percentile 24.2%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:H/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 (3)

fortinet/fortios 7.4.0

fortinet/fortios 7.4.1

fortinet/fortios 7.0.0 - 7.0.14

Published Feb 15, 2024

Tracked Since Feb 18, 2026