VMware (ESXi) Data Breach

VMware (ESXi) experienced a data breach that was reported on March 4, 2025. VMware ESXi contains an arbitrary write vulnerability. Successful exploitation allows an attacker with privileges within the VMX process to trigger an arbitrary kernel write leading to an escape of th

Key Facts

Organization
VMware (ESXi)
Date Reported
March 4, 2025
Incident Type
ransomware
Industry
Technology
Severity Score
6/10
Confidence Level
high
Tags
ransomware

Source

View original source - External link to primary source documentation

Understanding ransomware Incidents

Ransomware attacks encrypt organizational data and demand payment for recovery. They often involve data exfiltration before encryption, enabling double extortion. Organizations should maintain offline backups and incident response plans.