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The ESXi host must not suppress warnings that the local or remote shell sessions are enabled.


Overview

Finding ID Version Rule ID IA Controls Severity
V-256432 ESXI-70-000079 SV-256432r919023_rule Medium
Description
Warnings that local or remote shell sessions are enabled alert administrators to activity they may not be aware of and need to investigate.
STIG Date
VMware vSphere 7.0 ESXi Security Technical Implementation Guide 2023-06-21

Details

Check Text ( C-60107r886075_chk )
From the vSphere Client, go to Hosts and Clusters.

Select the ESXi Host >> Configure >> System >> Advanced System Settings.

Select the "UserVars.SuppressShellWarning" value and verify it is set to "0".

or

From a PowerCLI command prompt while connected to the ESXi host, run the following command:

Get-VMHost | Get-AdvancedSetting -Name UserVars.SuppressShellWarning

If the "UserVars.SuppressShellWarning" setting is not set to "0" or the setting does not exist, this is a finding.
Fix Text (F-60050r918916_fix)
From the vSphere Client, go to Hosts and Clusters.

Select the ESXi Host >> Configure >> System >> Advanced System Settings.

Click "Edit". Select the "UserVars.SuppressShellWarning" value and set it to "0".

or

From a PowerCLI command prompt while connected to the ESXi host, run the following command:

Get-VMHost | Get-AdvancedSetting -Name UserVars.SuppressShellWarning | Set-AdvancedSetting -Value "0"