The ESXi host must prohibit the reuse of passwords within five iterations.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-256398ESXI-70-000032SV-256398r984204_ruleCCI-000200medium
Description
If a user or root used the same password continuously or was allowed to change it back shortly after being forced to change it to something else, it would provide a potential intruder with the opportunity to keep guessing at one user's password until it was guessed correctly.
STIGDate
VMware vSphere 7.0 ESXi Security Technical Implementation Guide2025-02-11

Details

Check Text (C-256398r984204_chk)

From the vSphere Client, go to Hosts and Clusters. Select the ESXi Host >> Configure >> System >> Advanced System Settings. Select the "Security.PasswordHistory" value and verify it is set to "5". or From a PowerCLI command prompt while connected to the ESXi host, run the following command: Get-VMHost | Get-AdvancedSetting -Name Security.PasswordHistory If the "Security.PasswordHistory" setting is not set to "5" this is a finding.

Fix Text (F-60016r918910_fix)

From the vSphere Client, go to Hosts and Clusters. Select the ESXi Host >> Configure >> System >> Advanced System Settings. Click "Edit". Select the "Security.PasswordHistory" value and configure it to "5". or From a PowerCLI command prompt while connected to the ESXi host, run the following command: Get-VMHost | Get-AdvancedSetting -Name Security.PasswordHistory | Set-AdvancedSetting -Value 5