The Linux utilities cron/at is not restricted to authorized users only
The Linux utilities cron and at are related commands. The cron utility allows you to schedule a repetitive task to take place at any regular interval desired, and the at command lets you specify a one-time action to take place at some desired time. It is recommended to configure /etc/cron.allow and /etc/at.allow to authorize only specific users to use these services and limit the access rights of these files only to default root account.
Linux - Cron or At Utilities
Follow the below steps to resolve the misconfiguration.
Run the following commands to set permissions and ownership for /etc/cron.allow and /etc/at.allow:
chmod og-rwx /etc/cron.allow
chmod og-rwx /etc/at.allow
chown root:root /etc/cron.allow
chown root:root /etc/at.allow
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.