Fortra’s GoAnywhere Security Flaw: Medusa Ransomware Wreaks Havoc, Silence Isn’t Golden

Storm-1175 strikes again! Microsoft has linked this cybercriminal group to exploiting a critical Fortra GoAnywhere flaw, CVE-2025-10035, to unleash Medusa ransomware. With a CVSS score of 10.0, this bug lets attackers inject commands without even saying ‘please.’ It’s a serious security sitcom, and Fortra’s got some explaining to do!

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Hot Take:

Oh, Fortra GoAnywhere, you’re not going anywhere fast! With vulnerabilities like CVE-2025-10035, it’s like leaving your front door open with a ‘Welcome Hackers’ sign. Microsoft and Storm-1175 have made sure no one’s getting a good night’s sleep without patching it up. If only ransomware came with a snooze button!

Key Points:

  • Storm-1175 exploits a critical flaw in Fortra GoAnywhere software to deploy Medusa ransomware.
  • The vulnerability, CVE-2025-10035, scores a perfect 10.0 on the CVSS scale for being a critical deserialization bug.
  • Successful exploitation allows attackers access to system discovery, RMM tools deployment, and lateral movement.
  • Rclone and Cloudflare tunnels are used for data exfiltration and command-and-control operations.
  • Organizations have been at risk since September 11, 2025, with little information from Fortra.

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