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

From WLAN Bridge Security Technical Implementation Guide (STIG)

Part of Management connection does not timeout.

SV-3014r4_rule The network devices must timeout management connections for administrative access after 10 minutes or less of inactivity.

Vulnerability discussion

Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take control of a management session enabled between the managed network device and a PC or terminal server when the later has been left unattended. In addition quickly terminating an idle session will also free up resources committed by the managed network device as well as reduce the risk of a management session from being hijacked. 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 device is configured to time-out the connection at 10 minutes or less of inactivity. If the device does not terminate inactive management connections at 10 minutes or less, this is a finding.

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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