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

For the ESXi host, all port groups must not be configured to VLAN 4095 unless Virtual Guest Tagging (VGT) is required.

DISA Rule

SV-239318r674883_rule

Vulnerability Number

V-239318

Group Title

SRG-OS-000480-VMM-002000

Rule Version

ESXI-67-000064

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

From the vSphere Client, select the ESXi host and go to Configure >> Networking >> Virtual switches.

Highlight a port group where VLAN ID is set to 4095 and click Edit settings (dots).

Change the VLAN ID to an appropriate VLAN and click "OK".

or

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

Get-VirtualPortGroup -Name "portgroup name" | Set-VirtualPortGroup -VLanId "New VLAN#"

Check Contents

From the vSphere Client, select the ESXi host and go to Configure >> Networking >> Virtual switches.

For each virtual switch, review the port group VLAN tags and verify they are not set to 4095.

or

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

Get-VirtualPortGroup | Select Name, VLanID

If any port group is configured with VLAN 4095 and is not documented as a needed exception, this is a finding.

Vulnerability Number

V-239318

Documentable

False

Rule Version

ESXI-67-000064

Severity Override Guidance

From the vSphere Client, select the ESXi host and go to Configure >> Networking >> Virtual switches.

For each virtual switch, review the port group VLAN tags and verify they are not set to 4095.

or

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

Get-VirtualPortGroup | Select Name, VLanID

If any port group is configured with VLAN 4095 and is not documented as a needed exception, this is a finding.

Check Content Reference

M

Target Key

5326

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