Exploited vulnerabilitiesBriefPublic record

FortiOS / FortiProxy auth bypass (CVE-2024-55591)

Disclosed 14 Jan 2025. Node.js websocket module auth bypass to super-admin.

Disclosed

What happened

  • Affected: FortiOS 7.0.0 to 7.0.16. Fixed: 7.0.17.
  • KEV: 14 Jan 2025. Exploited since Nov 2024 (Arctic Wolf).

Live scores

Live scores

CVE-2024-55591
EPSS
0.944
very likely to be attacked soon
VEDAS
0.979
strong exploit evidence
On CISA KEV
Yes, since 2025-01-14
Detection rule
Nuclei · Suricata
EPSS (chance of attack)
10No cve-scores data 2026-02-22 to 2026-08-08no data0.1CVE-2024-55591 EPSS over time2025-042026-11-01
VEDAS (exploit evidence)
10No cve-scores data 2026-02-22 to 2026-08-08no data0.9CVE-2024-55591 VEDAS over time2025-042026-11-01

Thin horizontal line: the “likely” (EPSS 0.10) or “strong” (VEDAS 0.90) threshold. Shaded “no data” areas are periods when cve-scores did not publish.

Sources

This is a brief: a short, sourced summary from our incident tracking. Full advisories add commands to check whether you are affected.