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

The ESXi host must exclusively enable TLS 1.2 for all endpoints.

DISA Rule

SV-239326r674907_rule

Vulnerability Number

V-239326

Group Title

SRG-OS-000480-VMM-002000

Rule Version

ESXI-67-000074

Severity

CAT I

CCI(s)

• CCI-000366 - The organization implements the security configuration settings.

Weight

10

Fix Recommendation

From the vSphere Web Client, select the host and click Configure >> System >> Advanced System Settings.

Find the "UserVars.ESXiVPsDisabledProtocols" value and set it to the following:

tlsv1,tlsv1.1,sslv3

or

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

Get-VMHost | Get-AdvancedSetting -Name UserVars.ESXiVPsDisabledProtocols | Set-AdvancedSetting -Value "tlsv1,tlsv1.1,sslv3"

A host reboot is required for changes to take effect.

Check Contents

From the vSphere Web Client, select the host and click Configure >> System >> Advanced System Settings.

Find the "UserVars.ESXiVPsDisabledProtocols" value and verify that it is set to the following:

tlsv1,tlsv1.1,sslv3

If the value is not set as above or it does not exist, this is a finding.

or

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

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

If the value returned is not "tlsv1,tlsv1.1,sslv3" or the setting does not exist, this is a finding.

Vulnerability Number

V-239326

Documentable

False

Rule Version

ESXI-67-000074

Severity Override Guidance

From the vSphere Web Client, select the host and click Configure >> System >> Advanced System Settings.

Find the "UserVars.ESXiVPsDisabledProtocols" value and verify that it is set to the following:

tlsv1,tlsv1.1,sslv3

If the value is not set as above or it does not exist, this is a finding.

or

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

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

If the value returned is not "tlsv1,tlsv1.1,sslv3" or the setting does not exist, this is a finding.

Check Content Reference

M

Target Key

5326

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