CVE-2024-55591 — Fortinet FortiOS and FortiProxy Authentication Bypass Vulnerability
CVE-2024-55591: Fortinet FortiOS and FortiProxy Authentication Bypass Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Fortinet |
| Product | FortiOS and FortiProxy |
| Date added | 2025-01-14 |
| Due date | 2025-01-21 |
| Ransomware campaign use | Known |
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.
Required action (CISA)
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Notes
https://fortiguard.fortinet.com/psirt/FG-IR-24-535 ; https://nvd.nist.gov/vuln/detail/CVE-2024-55591
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-55591
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog