SSH MaxSessions parameter is not limited to 4 sessions
SSH protocol allows you to connect to a remote Linux system securely using a variety of SSH (Secure Shell) clients. The SSH protocol has the ability to provide multiple sessions over a single connection without reauthentication. A compromised client could use this feature to establish additional sessions to a system without consent or knowledge of the user. Fixing this misconfiguration will configure the MaxSessions parameter permit only 4 sessions per connections.
Linux Secure Shell
Follow the below steps to resolve the misconfiguration.
Edit the /etc/ssh/sshd_config file to set the parameter as follows:
Potential issues that may arise after applying the resolution
Altering the existing security setting may create the following impact in your network operations.
Does remediation require reboot?
Vulnerability Manager Plus tracks security configurations and remediate misconfigurations in your network systems from a centralized console. View a list of all the security misconfigurations detected by Vulnerability Manager Plus.