STIGQter: STIG Summary: Cisco IOS XE Router NDM Security Technical Implementation Guide Version: 3 Release: 7 Benchmark Date: 01 Apr 2026:

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

DISA Rule

SV-215833r961068_rule

Vulnerability Number

V-215833

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.

R1(config)#line vty 0 1
R1(config-line)#exec-timeout 5 0
R1(config-line)#exit
R1(config)#line con 0
R1(config-line)#exec-timeout 5 0
R1(config-line)#exit
R2(config)#ip http timeout-policy idle 300 life nnnn requests nn

Check Contents

Review the Cisco router 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:

ip http secure-server
ip http timeout-policy idle 300 life nnnn requests nn
…
…
…
line con 0
exec-timeout 5 0
line vty 0 1
exec-timeout 5 0

If the Cisco router 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-215833

Documentable

False

Rule Version

CISC-ND-000720

Severity Override Guidance

Review the Cisco router 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:

ip http secure-server
ip http timeout-policy idle 300 life nnnn requests nn
…
…
…
line con 0
exec-timeout 5 0
line vty 0 1
exec-timeout 5 0

If the Cisco router 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

4020