CVE

CVE-2024-55591

P1⬤ KNOWN RANSOMWARE USE

Fortinet FortiOS and FortiProxy Authentication Bypass Vulnerability

Fortinet · FortiOS and FortiProxy

Date added (CISA)

2025-01-14

Remediation due

2025-01-21

Known ransomware use

Yes

Remediation priority

P1 — known ransomware use · past CISA due date

Associated with

Related to

Lazarus Group (TraderTraitor cluster) / APT38 / BlueNoroff · SPECTREcampaignCorrelated cluster2026-09-16

Description

Fortinet FortiOS and FortiProxy contain an authentication bypass vulnerability that may allow an unauthenticated, remote attacker to gain super-admin privileges via crafted requests to Node.js websocket module.

Source: NVD ↗ · CISA KEV Catalog ↗