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V-265977

CAT II (Medium)

The ESXi host must disable virtual hardware management network interfaces.

Rule ID

SV-265977r1003587_rule

STIG

VMware vSphere 8.0 ESXi Security Technical Implementation Guide

Version

V2R4

CCIs

CCI-000366

Discussion

Hardware management controllers often present virtual or USB NICs to the ESXi host. These can be used as backdoors and should be deactivated both in the hardware configuration and in ESXi.

Check Content

From the vSphere Client, go to Hosts and Clusters.

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

Select the "Net.BMCNetworkEnable" 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 Net.BMCNetworkEnable

If the "Net.BMCNetworkEnable" setting is not set to "0", this is a finding.

Fix Text

From the vSphere Client, go to Hosts and Clusters.

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

Click "Edit". Select the "Net.BMCNetworkEnable" 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 Net.BMCNetworkEnable | Set-AdvancedSetting -Value 0