⚡ Exploit-DB.ai CRITICAL
CRITICAL

CVE-2021-21972

Published: March 18, 2026 · Source: National Vulnerability Database (NVD)

⚡ AI Threat Assessment

VMware vCenter RCE via plugin upload — unauthenticated remote code execution as root. Patch immediately. If internet-facing, assume compromise. This enabled full hypervisor infrastructure takeover in numerous APT campaigns targeting virtual infrastructure.

📋 Official Description

The vSphere Client (HTML5) contains a remote code execution vulnerability in a vCenter Server plugin. A malicious actor with network access to port 443 may exploit this issue to execute commands with unrestricted privileges on the underlying operating system.

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