STIGQter: STIG Summary: VMware vSphere 7.0 ESXi Security Technical Implementation Guide Version: 1 Release: 4 Benchmark Date: 02 Apr 2025:

The ESXi host must exclusively enable Transport Layer Security (TLS) 1.2 for all endpoints.

DISA Rule

SV-256429r959010_rule

Vulnerability Number

V-256429

Group Title

SRG-OS-000480-VMM-002000

Rule Version

ESXI-70-000074

Severity

CAT I

CCI(s)

CCI-002420 - Maintain the confidentiality and/or integrity of information during preparation for transmission.

Weight

Fix Recommendation

From the vSphere Client, go to Hosts and Clusters.

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

Select 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"

Reboot the host for changes to take effect.

Check Contents

From the vSphere Client, go to Hosts and Clusters.

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

Select the "UserVars.ESXiVPsDisabledProtocols" value and verify it is set 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

If the "UserVars.ESXiVPsDisabledProtocols" setting is not set to "tlsv1,tlsv1.1,sslv3" or the setting does not exist, this is a finding.

Vulnerability Number

V-256429

Documentable

False

Rule Version

ESXI-70-000074

Severity Override Guidance

From the vSphere Client, go to Hosts and Clusters.

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

Select the "UserVars.ESXiVPsDisabledProtocols" value and verify it is set 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

If the "UserVars.ESXiVPsDisabledProtocols" setting is not set to "tlsv1,tlsv1.1,sslv3" or the setting does not exist, this is a finding.

Check Content Reference

Target Key

5518