STIGQter: STIG Summary: VMware vSphere 6.7 ESXi Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 09 Mar 2021:

Active Directory ESX Admin group membership must not be used when adding ESXi hosts to Active Directory.

DISA Rule

SV-239294r674811_rule

Vulnerability Number

V-239294

Group Title

SRG-OS-000104-VMM-000500

Rule Version

ESXI-67-000039

Severity

CAT III

CCI(s)

• CCI-000764 - The information system uniquely identifies and authenticates organizational users (or processes acting on behalf of organizational users).
• CCI-000770 - The organization requires individuals to be authenticated with an individual authenticator when a group authenticator is employed.
• CCI-001941 - The information system implements replay-resistant authentication mechanisms for network access to privileged accounts.
• CCI-001942 - The information system implements replay-resistant authentication mechanisms for network access to non-privileged accounts.

Weight

10

Fix Recommendation

From the vSphere Client, select the ESXi host and go to Configuration >> System >> Advanced System Settings.

Click "Edit" and select the "Config.HostAgent.plugins.hostsvc.esxAdminsGroup" key and configure its value to an appropriate Active Directory group other than "ESX Admins".

or

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

Get-VMHost | Get-AdvancedSetting -Name Config.HostAgent.plugins.hostsvc.esxAdminsGroup | Set-AdvancedSetting -Value <AD Group>

Check Contents

From the vSphere Client, select the ESXi host and go to Configuration >> System >> Advanced System Settings.

Click "Edit" and select the "Config.HostAgent.plugins.hostsvc.esxAdminsGroup" value and verify it is not set to "ESX Admins".

or

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

Get-VMHost | Get-AdvancedSetting -Name Config.HostAgent.plugins.hostsvc.esxAdminsGroup

For systems that do not use Active Directory, this is Not Applicable.

If the "Config.HostAgent.plugins.hostsvc.esxAdminsGroup" key is set to "ESX Admins", this is a finding.

Vulnerability Number

V-239294

Documentable

False

Rule Version

ESXI-67-000039

Severity Override Guidance

From the vSphere Client, select the ESXi host and go to Configuration >> System >> Advanced System Settings.

Click "Edit" and select the "Config.HostAgent.plugins.hostsvc.esxAdminsGroup" value and verify it is not set to "ESX Admins".

or

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

Get-VMHost | Get-AdvancedSetting -Name Config.HostAgent.plugins.hostsvc.esxAdminsGroup

For systems that do not use Active Directory, this is Not Applicable.

If the "Config.HostAgent.plugins.hostsvc.esxAdminsGroup" key is set to "ESX Admins", this is a finding.

Check Content Reference

M

Target Key

5326

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