STIGQter STIGQter: STIG Summary: VMware vSphere 8.0 vCenter Security Technical Implementation Guide Version: 2 Release: 4 Benchmark Date: 01 Jul 2026:

The vCenter Server must have Mutual Challenge Handshake Authentication Protocol (CHAP) configured for vSAN Internet Small Computer System Interface (iSCSI) targets.

DISA Rule

SV-258953r961863_rule

Vulnerability Number

V-258953

Group Title

SRG-APP-000516

Rule Version

VCSA-80-000286

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

From the vSphere Client, go to Host and Clusters.

Select a vSAN Enabled Cluster >> Configure >> vSAN >> iSCSI Target Service.

For each iSCSI target, select the item and click "Edit".

Change the "Authentication" field to "Mutual CHAP" and configure the incoming and outgoing users and secrets appropriately.

Check Contents

If no clusters are enabled for vSAN or if vSAN is enabled but iSCSI is not enabled, this is not applicable.

From the vSphere Client, go to Host and Clusters.

Select a vSAN Enabled Cluster >> Configure >> vSAN >> iSCSI Target Service.

For each iSCSI target, review the value in the "Authentication" column.

If the Authentication method is not set to "CHAP_Mutual" for any iSCSI target, this is a finding.

Vulnerability Number

V-258953

Documentable

False

Rule Version

VCSA-80-000286

Severity Override Guidance

If no clusters are enabled for vSAN or if vSAN is enabled but iSCSI is not enabled, this is not applicable.

From the vSphere Client, go to Host and Clusters.

Select a vSAN Enabled Cluster >> Configure >> vSAN >> iSCSI Target Service.

For each iSCSI target, review the value in the "Authentication" column.

If the Authentication method is not set to "CHAP_Mutual" for any iSCSI target, this is a finding.

Check Content Reference

M

Target Key

5573