Ransomware operators exploit simple flaw in VMware ESXi to launch attacks

Now-patched bug allowed attackers to circumvent Microsoft AD authentication checks

John Leonard
clock • 2 min read
Ransomware operators exploit simple flaw in VMware ESXi to launch attacks
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Ransomware operators exploit simple flaw in VMware ESXi to launch attacks

A number of ransomware groups have been observed exploiting a vulnerability in vSphere ESXi, VMware's bare metal hypervisor.

Bizarrely, the attack was as simple as creating a Microsoft Active Directory (AD) group called "ESX Admins", which was allowed for users with limited domain-level permissions. Adding users to that ...

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