Can login as root with no password after a few tries.
https://www.theverge.com/2017/11/28/16711782/apple-macos-high-sierra-critical-password-security-flaw
Setting a root password in terminal fixes it supposedly.
sudo su
passwd
https://www.theverge.com/2017/11/28/16711782/apple-macos-high-sierra-critical-password-security-flaw
Setting a root password in terminal fixes it supposedly.
sudo su
passwd