A new ransomware group exploits a SonicWall zero-day vulnerability to breach networks

April 29, 2021

A financially motivated threat actor used a zero-day vulnerability in SonicWall SMA 100 Series VPN appliances to deploy FiveHands ransomware on the networks of North American and European targets.

The threat analysts as UNC2447, exploited the CVE-2021-20016 SonicWall vulnerability to breach networks and deploy FiveHands ransomware payloads before patches were released.

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