FortiGate SSL VPN — Cyber Threats, Attacks & Incidents

Threat entity extracted from intelligence sources

Frequency
2
occurrences
First Seen
January 2, 2026
Last Seen
April 21, 2026

Related Threat Clusters

  • Nightmare-Eclipse Tools Exploit FortiGate VPNs in Live Attacks

    A recent intrusion campaign utilized the Nightmare-Eclipse privilege escalation tools, specifically BlueHammer, RedSun, and UnDefend, following unauthorized access through compromised FortiGate SSL VPN credentials. This…

    2 articles · Updated April 22, 2026
  • Over 10,000 Fortinet Firewalls Vulnerable to 2FA Bypass Exploits

    More than 10,000 Fortinet firewalls remain exposed to a critical two-factor authentication bypass vulnerability (CVE-2020-12812) that has been actively exploited. This flaw, first disclosed in July 2020, continues to…

    6 articles · Updated January 5, 2026

Recent Intelligence Reports

  • Hackers Use Nightmare — Cybersecuritynews · April 21, 2026
  • Over 10K Fortinet firewalls exposed to actively exploited 2FA bypass — Bleepingcomputer · January 2, 2026

CVSS v3.1 Breakdown