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critical9.8Known exploited

CVE-2024-55591

Fortinet FortiOS and FortiProxy Authentication Bypass Vulnerability

Exploited in the wild

This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2025-01-14. Federal due date: 2025-01-21.

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Impact

An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] affecting FortiOS version 7.0.0 through 7.0.16 and FortiProxy version 7.0.0 through 7.0.19 and 7.2.0 through 7.2.12 allows a remote attacker to gain super-admin privileges via crafted requests to Node.js websocket module.

Affected products

VendorProductAffected versions
FortinetFortiproxy
from 7.0.0 before 7.0.20
from 7.2.0 before 7.2.13
FortinetFortios
from 7.0.0 before 7.0.17

Weakness classification

References