“This allows for an attacker to eavesdrop on the request and conduct a replay attack.”
2016 to 2020 Honda Civic key fobs send the same unencrypted signal every time. Record it once with a HackRF and you can unlock the doors or remote start the car whenever you like. Rolling codes have been standard on garage doors for decades. The only fix offered to owners is a key fob reset at the dealership.