The network device must be configured for a maximum number of unsuccessful SSH logon attempts set at 3 before resetting the interface.

From Network Devices Security Technical Implementation Guide

Part of SSH login attempts value is greater than 3.

SV-5613r4_rule The network device must be configured for a maximum number of unsuccessful SSH logon attempts set at 3 before resetting the interface.

Vulnerability discussion

An attacker may attempt to connect to the device using SSH by guessing the authentication method and authentication key or shared secret. Setting the authentication retry to 3 or less strengthens against a Brute Force attack.

Check content

Review the configuration and verify the number of unsuccessful SSH logon attempts is set at 3. If the device is not configured to reset unsuccessful SSH logon attempts at 3, this is a finding.

Fix text

Configure the network device to require a maximum number of unsuccessful SSH logon attempts at 3.

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