CVE-2024-55591

CriticalCVSS 9.8/10Known exploited (CISA KEV)Last modified Aug 5, 2026

Description

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-288

Affected software

Vendor	Product	Versions
Fortinet	FortiOS	>= 7.0.0, <= 7.0.16
Fortinet	FortiProxy	>= 7.2.0, <= 7.2.12; >= 7.0.0, <= 7.0.19

References

https://fortiguard.fortinet.com/psirt/FG-IR-24-535Mitigation, Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-55591US Government Resource

Timeline

Published: Jan 14, 2025
Last modified: Aug 5, 2026
Added to CISA KEV: Jan 14, 2025
NVD status: Analyzed

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