The ESXi host must not suppress warnings that the local or remote shell sessions are enabled.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-258777 | SRG-OS-000480-VMM-002000 | ESXI-80-000222 | SV-258777r933392_rule | 2023-10-11 | 1 |
Description
Warnings that local or remote shell sessions are enabled alert administrators to activity they may not be aware of and need to investigate.
ℹ️ Check
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", 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 "UserVars.SuppressShellWarning" value and configure 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