There is a misconfiguration vulnerability inside the Infotainment ECU manufactured by BOSCH. The vulnerability happens during the startup phase of a specific systemd service, and as a result, the following developer features will be activated: the disabled firewall and the launched SSH server. First identified on Nissan Leaf ZE1 manufactured in 2020.
https://www.nissan.co.uk/vehicles/new-vehicles/leaf.html
http://i.blackhat.com/Asia-25/Asia-25-Evdokimov-Remote-Exploitation-of-Nissan-Leaf.pdf