STIGQter: STIG Summary: VMware vSphere 8.0 ESXi Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 31 Oct 2023:

The ESXi host must set a timeout to automatically end idle shell sessions after fifteen minutes.

DISA Rule

SV-258739r933278_rule

Vulnerability Number

V-258739

Group Title

SRG-OS-000163-VMM-000700

Rule Version

ESXI-80-000068

Severity

CAT II

CCI(s)

• CCI-001133 - Terminate the network connection associated with a communications session at the end of the session or after an organization-defined time period of inactivity.
• CCI-002361 - Automatically terminate a user session after organization-defined conditions or trigger events requiring session disconnect.

Weight

10

Fix Recommendation

From the vSphere Client, go to Hosts and Clusters.

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

Click "Edit". Select the "UserVars.ESXiShellInteractiveTimeOut" value and configure it to "900".

or

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

Get-VMHost | Get-AdvancedSetting -Name UserVars.ESXiShellInteractiveTimeOut | Set-AdvancedSetting -Value 900

Check Contents

From the vSphere Client, go to Hosts and Clusters.

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

Select the "UserVars.ESXiShellInteractiveTimeOut" value and verify it is set to less than "900" and not "0".

or

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

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

If the "UserVars.ESXiShellInteractiveTimeOut" setting is set to a value greater than "900" or "0", this is a finding.

Vulnerability Number

V-258739

Documentable

False

Rule Version

ESXI-80-000068

Severity Override Guidance

From the vSphere Client, go to Hosts and Clusters.

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

Select the "UserVars.ESXiShellInteractiveTimeOut" value and verify it is set to less than "900" and not "0".

or

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

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

If the "UserVars.ESXiShellInteractiveTimeOut" setting is set to a value greater than "900" or "0", this is a finding.

Check Content Reference

M

Target Key

5562