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

Nutanix AOS must configure Network Time Protocol (NTP).

DISA Rule

SV-279450r1192366_rule

Vulnerability Number

V-279450

Group Title

SRG-APP-000920-AS-000320

Rule Version

NXAC-AS-000051

Severity

CAT II

CCI(s)

• CCI-004922 - Synchronize system clocks within and between systems or system components.
• CCI-004923 - Compare the internal system clocks on an organization-defined frequency with organization-defined authoritative time source.

Weight

10

Fix Recommendation

Configure the Prism Element to use an authoritative NTP time source.

1. Log in to Prism Element.
2. Click the gear icon in the upper-right corner.
3. Navigate to "NTP Servers".
4. Configure an authoritative NTP server.

Check Contents

Confirm the Prism Element is configured to use an authoritative NTP source.

1. Log in to Prism Element.
2. Click the gear icon in the upper-right corner.
3. Navigate to "NTP Servers".
4. Verify external NTP servers have been configured.

If external NTP sources are not configured, this is a finding.

Vulnerability Number

V-279450

Documentable

False

Rule Version

NXAC-AS-000051

Severity Override Guidance

Confirm the Prism Element is configured to use an authoritative NTP source.

1. Log in to Prism Element.
2. Click the gear icon in the upper-right corner.
3. Navigate to "NTP Servers".
4. Verify external NTP servers have been configured.

If external NTP sources are not configured, this is a finding.

Check Content Reference

M

Target Key

5729