STIGQter: STIG Summary: Cisco ACI NDM Security Technical Implementation Guide Version: 1 Release: 2 Benchmark Date: 05 Jan 2026:

The Cisco ACI must be configured to enforce the limit of three consecutive invalid logon attempts, after which time it must block any login attempt for 15 minutes.

DISA Rule

SV-271919r1168355_rule

Vulnerability Number

V-271919

Group Title

SRG-APP-000065-NDM-000214

Rule Version

CACI-ND-000004

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

1. On the GUI menu bar, choose Admin >> AAA.
2. In the Navigation pane, choose "Security".
3. In the Work pane, choose Default Settings >> Edit
4. Under Properties, complete the fields as follows:
- For "Lockout User after multiple failed login attempts", choose "Enable".
- For "Number of failed attempts before user is locked out", enter "3".
- For "Time period in which consecutive attempts were failed (m)", enter "15" (or an organization-defined value).
- For "Duration of lockout (m)", enter "15".
5. Click "Submit".

Check Contents

1. On the GUI menu bar, choose Admin >> AAA.
2. In the Navigation pane, choose "Security".
3. In the Work pane, choose the Default Settings >> Policy tab.
4. Under Properties, verify the fields as follows:
- For "Lockout User after multiple failed login attempts", choose "Enable".
- For "Number of failed attempts before user is locked out", enter "3".
- For "Time period in which consecutive attempts were failed (m)", enter "15" or an organization-defined value.
- For "Duration of lockout (m)", enter "15".

If the Cisco ACI fabric is not configured to enforce the limit of three consecutive invalid logon attempts and lock out users for 15 minutes, this is a finding.

Vulnerability Number

V-271919

Documentable

False

Rule Version

CACI-ND-000004

Severity Override Guidance

1. On the GUI menu bar, choose Admin >> AAA.
2. In the Navigation pane, choose "Security".
3. In the Work pane, choose the Default Settings >> Policy tab.
4. Under Properties, verify the fields as follows:
- For "Lockout User after multiple failed login attempts", choose "Enable".
- For "Number of failed attempts before user is locked out", enter "3".
- For "Time period in which consecutive attempts were failed (m)", enter "15" or an organization-defined value.
- For "Duration of lockout (m)", enter "15".

If the Cisco ACI fabric is not configured to enforce the limit of three consecutive invalid logon attempts and lock out users for 15 minutes, this is a finding.

Check Content Reference

M

Target Key

5682