The vSphere Client (HTML5) contains a remote code execution vulnerability due to lack of input validation in the Virtual SAN Health Check plug-in which is enabled by default in vCenter Server. A malicious actor with network access to port 443 may exploit this issue to execute commands with unrestricted privileges on the underlying operating system that hosts vCenter Server.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HVMware Cloud Foundation
APPVmware3.0 – 3.10.2.1 (bez)4.0 – 4.2.1 (bez)VMware Vcenter Server
APPVmware6.56.77.0
CISA KEV — detailsi
- Vendori
- VMware ↗
- Producti
- vCenter Server
- Added to KEVi
- November 3, 2021
- Remediation deadline (US Federal)i
- November 17, 2021(overdue)
- Ransomwarei
- Active ransomware campaigns exploit this vulnerability
Apply updates per vendor instructions.
VMware vSphere Client contains an improper input validation vulnerability in the Virtual SAN Health Check plug-in, which is enabled by default in vCenter Server, which allows for remote code execution.
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