The ESXi host must be configured with an appropriate maximum password age.

Severity
Group ID
Group Title
Version
Rule ID
Date
STIG Version
mediumV-258782SRG-OS-000480-VMM-002000ESXI-80-000227SV-258782r933407_rule2023-10-111
Description
The older an ESXi local account password is, the larger the opportunity window is for attackers to guess, crack or reuse a previously cracked password. Rotating passwords on a regular basis is a fundamental security practice and one that ESXi supports.
ℹ️ Check
From the vSphere Client, go to Hosts and Clusters. Select the ESXi Host >> Configure >> System >> Advanced System Settings. Select the "Security.PasswordMaxDays" value and verify it is set to "90". or From a PowerCLI command prompt while connected to the ESXi host, run the following command: Get-VMHost | Get-AdvancedSetting -Name Security.PasswordMaxDays If the "Security.PasswordMaxDays" setting is not set to "90", this is a finding.
✔️ Fix
From the vSphere Client, go to Hosts and Clusters. Select the ESXi Host >> Configure >> System >> Advanced System Settings. Click "Edit". Select the "Security.PasswordMaxDays" value and configure it to "90". or From a PowerCLI command prompt while connected to the ESXi host, run the following command: Get-VMHost | Get-AdvancedSetting -Name Security.PasswordMaxDays | Set-AdvancedSetting -Value 90