CVE-2021-32593

MEDIUM

FortiWAN < 4.5.8 - Unauthenticated Use of a Broken or Risky Cryptographic Algorithm in Dynamic Tunnel Protocol

Title source: llm

Description

A use of a broken or risky cryptographic algorithm vulnerability [CWE-327] in the Dynamic Tunnel Protocol of FortiWAN before 4.5.9 may allow an unauthenticated remote attacker to decrypt and forge protocol communication messages.

References (1)

Core 1

Core References

Patch, Vendor Advisory x_refsource_confirm

https://fortiguard.com/psirt/FG-IR-21-070

Scores

CVSS v3 6.5

EPSS 0.0017

EPSS Percentile 37.1%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-327

Status published

Products (1)

fortinet/fortiwan < 4.5.8

Published Apr 06, 2022

Tracked Since Feb 18, 2026