The network element must timeout management connections for administrative access after 10 minutes or less of inactivity.

From Perimeter Router Security Technical Implementation Guide Cisco

Part of Management connection does not timeout.

SV-15453r2_rule The network element must timeout management connections for administrative access after 10 minutes or less of inactivity.

Vulnerability discussion

Setting the timeout of the session to 10 minutes or less increases the level of protection afforded critical network components.

Check content

Review the management connection for administrative access and verify the network element is configured to time-out the connection after 10 minutes or less of inactivity. The default for the VTY line is 10 minutes and may not appear in the display of the configuration. The VTY line should contain the following command: exec-timeout 10

Fix text

Configure the network devices to ensure the timeout for unattended administrative access connections is no longer than 10 minutes.

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