STIGQter STIGQter: STIG Summary: Nutanix Acropolis Application Server Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 26 Jan 2026:

Nutanix VMM must separate user functionality (including user interface services) from VMM management functionality.

DISA Rule

SV-279486r1192542_rule

Vulnerability Number

V-279486

Group Title

SRG-APP-000211-AS-000146

Rule Version

NXAC-AS-000089

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Configure management information flow to isolate to a separate VLAN from the guest VMs.

1. Log in to Prism Element.
2. Click the gear icon in the upper-right corner.
3. Under the "Settings" menu, click "Network Configuration", then select the "Internal Interfaces" tab.
4. Click "Management LAN".
5. Set the VLAN to the VLAN used for management functions.
a. SSH into each CVM host as user "Nutanix" and issue the following command:

change_cvm_vlan vlan_id.

b. SSH into each AHV host as root and issue the following command:

ovs-vsctl set port br0 tag=vlan_id

Note: All network switches connected to Nutanix nodes must be appropriately configured with the same VLAN ID.

Check Contents

Management information flow can be isolated to a separate VLAN from the guest VMs. Verify a management LAN is configured.

1. Log in to Prism Element.
2. Click the gear icon in the upper right-corner.
3. Under the "Settings" menu, click "Network Configuration", then select the "Internal Interfaces" tab.
4. Click "Management LAN".

If "VLAN ID" is "0" or blank, this is a finding.

Vulnerability Number

V-279486

Documentable

False

Rule Version

NXAC-AS-000089

Severity Override Guidance

Management information flow can be isolated to a separate VLAN from the guest VMs. Verify a management LAN is configured.

1. Log in to Prism Element.
2. Click the gear icon in the upper right-corner.
3. Under the "Settings" menu, click "Network Configuration", then select the "Internal Interfaces" tab.
4. Click "Management LAN".

If "VLAN ID" is "0" or blank, this is a finding.

Check Content Reference

M

Target Key

5729