Unauthorised access to the management system on e-scooters could also be abused to switch them off while riders use them, or to manipulate the accelerators with potentially disastrous consequences.
There are privacy impacts as well from the poor security of e-scooters' management system.
Renters' rides can be silently tracked in real-time as servers can be queried for, and will reveal the GPS-reported location of e-scooters to anyone.
This can be done at scale as well: Garrett was able to issue over a million queries to the servers for e-scooter information, after which the servers limited the amount of requests.
Tracking and mapping riders can be done globally, in all the countries a company is active in.
Garrett noted it was possible to figure out who works for the United States government through the information leakage.
Furthermore, the poorly thought out security meant competitors could easily access sensitive company data and use the information to their advantage.
E-scooters have shot to popularity in New Zealand over the past few months, and have been criticised for being dangerous for both riders and the pedestrians they share the pavement with due to their relatively high speeds.
Auckland Council last week said it would crack down on e-scooter safety, mandating the wearing of helmets, and limiting the speeds at which the two-wheelers can travel.
Police would enforce the new rules for e-scooters and their riders, Auckland Council said.
The Herald has contacted Lime for comment.