STIGQter: STIG Summary: Cisco NX OS Switch NDM Security Technical Implementation Guide Version: 3 Release: 6 Benchmark Date: 05 Jan 2026:

The Cisco switch must be configured to terminate all network connections associated with device management after five minutes of inactivity.

DISA Rule

SV-220493r961068_rule

Vulnerability Number

V-220493

Group Title

SRG-APP-000190-NDM-000267

Rule Version

CISC-ND-000720

Severity

CAT I

CCI(s)

• CCI-001133 - Terminate the network connection associated with a communications session at the end of the session or after an organization-defined time period of inactivity.

Weight

10

Fix Recommendation

Set the idle timeout value to five minutes or less on all configured login classes as shown in the example below:

SW1(config)# line console
SW1(config-console)# exec-timeout 5
SW1(config-console)# exit
SW1(config)# line vty
SW1(config-line)# exec-timeout 5

Check Contents

Review the Cisco switch configuration to verify that all network connections associated with a device management have an idle timeout value set to five minutes or less as shown in the following example:

line console
exec-timeout 5
line vty
exec-timeout 5

If the Cisco switch is not configured to terminate all network connections associated with a device management after five minutes of inactivity, this is a finding.

Vulnerability Number

V-220493

Documentable

False

Rule Version

CISC-ND-000720

Severity Override Guidance

Review the Cisco switch configuration to verify that all network connections associated with a device management have an idle timeout value set to five minutes or less as shown in the following example:

line console
exec-timeout 5
line vty
exec-timeout 5

If the Cisco switch is not configured to terminate all network connections associated with a device management after five minutes of inactivity, this is a finding.

Check Content Reference

M

Target Key

4066