SuperBlack

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New SuperBlack ransomware exploits Fortinet auth bypass flaws

A new ransomware operator named ‘Mora_001’ is exploiting two Fortinet vulnerabilities to gain unauthorized access to firewall appliances and deploy a custom ransomware strain dubbed SuperBlack. The two vulnerabilities, both authentication bypasses, are CVE-2024-55591 and CVE-2025-24472, which Fortinet disclosed in January and February, respectively. When Fortinet first disclosed CVE-2024-55591 on January 14, they confirmed it had been exploited as a zero-day, with Arctic…