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

Nutanix OS must enforce a delay of at least four seconds between logon prompts following a failed logon attempt.

DISA Rule

SV-279581r1192447_rule

Vulnerability Number

V-279581

Group Title

SRG-OS-000021-GPOS-00005

Rule Version

NXAC-OS-000128

Severity

CAT II

CCI(s)

• CCI-000044 - Enforce the organization-defined limit of consecutive invalid logon attempts by a user during the organization-defined time period.

Weight

10

Fix Recommendation

Configure the use of complex passwords for Nutanix OS VMs.

1. For AOS, configure the use of complex passwords using the following command.

$ sudo salt-call state.sls security/CVM/pamCVM.sls

2. For Prism Central, configure the use of complex passwords using the following command.

$ sudo salt-call state.sls security/PCVM/pamPCVM.sls

3. For Files, configure the use of complex passwords using the following command.

$ sudo salt-call state.sls security/AFS/pamAFS.sls

4. For Prism Central, configure the use of complex passwords using the following command.

$ ncli cluster edit-hypervisor-security-params enable-high-strength-password=true

Check Contents

Verify Nutanix OS enforces a delay of at least four seconds between console logon prompts following a failed logon attempt using the following command.

$ sudo grep -i fail_delay /etc/login.defs
FAIL_DELAY 4

If the value of "FAIL_DELAY" is not set to "4" or greater, or the line is commented out, this is a finding.

Vulnerability Number

V-279581

Documentable

False

Rule Version

NXAC-OS-000128

Severity Override Guidance

Verify Nutanix OS enforces a delay of at least four seconds between console logon prompts following a failed logon attempt using the following command.

$ sudo grep -i fail_delay /etc/login.defs
FAIL_DELAY 4

If the value of "FAIL_DELAY" is not set to "4" or greater, or the line is commented out, this is a finding.

Check Content Reference

M

Target Key

5730