| Determine the current version and build: |
From the vSphere Client, go to Hosts and Clusters.
Select the ESXi Host >> Summary. Note the version string next to "Hypervisor:".
From a Secure Shell (SSH) session connected to the ESXi host, or from the ESXi shell, run the following command:
# vmware -v
If the ESXi host does not have the latest patches, this is a finding.
If the ESXi host is not on a supported release, this is a finding.
The latest ESXi versions and their build numbers can be found here: https://kb.vmware.com/s/article/2143832
VMware also publishes advisories on security patches and offers a way to subscribe to email alerts for them.
Go to: https://www.vmware.com/support/policies/security_response