Flaws in 1/3-celebration software exposed dozens of Teslas to faraway get admission to

Bugs allowed all of us to remotely unlock doorways, honk the horn and start the automobile (Teslamate)

A security researcher stated he could remotely access dozens of Teslas worldwide since protection bugs observed in an open supply logging device popular with Tesla proprietors uncovered their cars immediately to the internet.

News of the open was first revealed in advance this month in a tweet utilizing David Colombo, a protection researcher in Germany, who said he had “full far-flung control” of more than 25 Teslas. However, it turned into a fight to disclose the difficulty to affected Teslamate holders without making the information public & also alerting malicious hackers.

The bug is now fixed, Colombo showed. Webtechgalaxy held this tale till the vulnerability may want not to be exploited. Colombo published his findings in a weblog put up.

Colombo advised Webtechgalaxy that the vulnerabilities had been discovered in TeslaMate, an unfastened-to-download logging software utilized by Tesla owners to connect to their automobiles and access their vehicles’ otherwise hidden facts. However, their vehicle’s electricity intake, vicinity history, using statistics and different granular facts for troubleshooting and diagnosing problems. TeslaMate is a self-hosted web dashboard often going for walks on the home computer systems of Tesla hobbyists. It relies on access to Teslamate API to faucet into their car’s records, which are tied to the car owner’s account.

But protection flaws within the web dashboard — like allowing anonymous get right of entry to and using default passwords that some customers by no means changed — coupled with misconfigurations with the aid of some Tesla owners, resulted in at least 100 TeslaMate dashboards being uncovered without delay to the net, inclusive of the auto owner’s API key used to control their Teslas remotely.

In a name with Webtechgalaxy, Colombo Teslamate

However, Colombo determined that TeslaMate dashboards have been unprotected by default after stumbling on an uncovered dashboard for the last 12 months. After scanning the internet for more excellent open dashboards, he discovered uncovered Teslas inside the U.K., Europe, Canada, China and across America.

But contacting individual Tesla owners with uncovered dashboards might be a Herculean venture, as Colombo defined. In many cases, it’s now not feasible as it should discern a way to contact affected Tesla customers.

However, worse, it became viable to extract the Tesla users’ API key from the exposed dashboard, permitting a malicious hacker to maintain long-term access to Teslas without the drivers’ understanding. (An API lets in  matters to speak to each different over the net — in this example, a Tesla car and the enterprise’s servers, the Tesla app or a TeslaMate dashboard.) Access to Tesla’s API is confined to Tesla proprietors via a non-public API key related to the proprietor’s account.

However, with admission to an uncovered API key, Colombo stated he could remotely get entry to some automobile features, including unlocking the doorways and home windows, honking the horn and starting keyless driving,

Impacted Teslas is all likelihood higher Teslamate

which he demonstrated with one Tesla proprietor in Ireland. He can also get admission to the statistics inner, including the auto’s place records, latest riding routes and where it’s parked. Colombo said he does not accept as accurate it’s viable to apply the API access to move the vehicle remotely over the internet.

Colombo stated that while the security problems weren’t in Tesla’s infrastructure, Tesla ought to do greater to improve its protection, including revoking a client’s API key when their password is changed, an enterprise-fashionable exercise.

After privately reporting the vulnerabilities, TeslaMate pushed a software program repair that users must manually deploy to prevent admission. TeslaMate task maintainer Adrian Kumpf instructed Webtechgalaxy that the update went out within a few hours of receiving Colombo’s electronic mail. In an e-mail, Kumpf stated that due to the fact the software program is self-hosted, it couldn’t shield users from accidentally exposing their systems to the internet, adding that TeslaMate’s documentation has long warned customers to put the software program “on your home network, as otherwise, your Tesla API tokens might be at risk.” Kumpf also said that users who chose the advanced installation alternative should not be affected.

Colombo told Webtechgalaxy that Tesla revoked hundreds of drivers’ API keys, doubtlessly indicating that the issue may be extra extensive than starting with the concept. Tesla did no longer reply to requests for comment before the e-book. (Tesla scrapped its public family members team in 2020.)


A practical, self-hosted statistics logger for your Tesla.

  • Written in Elixir
  • Data is saved in a Postgres database
  • Visualization and data analysis with Grafana
  • Vehicle facts are published to a nearby MQTT Broker

Features TeslaMate


  • Drive and charging reviews
  • Driving efficiency report
  • Consumption (internet / gross)
  • Charge electricity delivered vs strength used
  • Vampire drain
  • Projected a hundred% variety (battery degradation)
  • Charging Stats
  • Drive Stats
  • History of mounted updates
  • See whilst your vehicle becomes online or asleep
  • Lifetime driving map
  • Visited addresses


  • High precision drive facts recording
  • No extra vampire drain: the car will nod off as soon as viable
  • Automatic deal with research
  • Easy integration into Home Assistant (via MQTT)
  • Geo-fencing function to create custom places
  • Supports multiple motors in line with Tesla Account
  • Charge cost monitoring
  • Import from TeslaFi and tesla-API scraper

Instructions teslamate

Create a file known as docker-compose.Yml with the subsequent content material:


version: “three”

services teslamate:

image: teslamate/teslamate:cutting-edge

restart: constantly


– ENCRYPTION_KEY= #insert a cosy key to encrypt your Tesla API tokens

– DATABASE_USER=teslamate

– DATABASE_PASS= #insert your at ease database password!

– DATABASE_NAME=teslamate

– DATABASE_HOST=database

– MQTT_HOST=mosquitto


– 4000:4000


– ./import:/opt/app/import


– all


image: postgres:thirteen

restart: continually


– POSTGRES_USER=teslamate

– POSTGRES_PASSWORD= #insert your secure database password!

– POSTGRES_DB=teslamate


– teslamate-db:/var/lib/postgresql/records


photograph: teslamate/grafana:latest

restart: always


– DATABASE_USER=teslamate

– DATABASE_PASS= #insert your comfortable database password!

– DATABASE_NAME=teslamate

– DATABASE_HOST=database


– 3000:3000


– teslamate-grafana-statistics:/var/lib/grafana


photograph: eclipse-mosquitto:2

restart: constantly

command: mosquitto -c /mosquitto-no-auth.Conf

# ports:

#   – 1883:1883


– mosquitto-conf:/mosquitto/config

– mosquitto-facts:/mosquitto/records






  • Choose a secure encryption key, an excellent way to be used to encrypt your Tesla API tokens (insert as ENCRYPTION_KEY).
  • Choose your relaxed database password and insert it at every occurrence of DATABASE_PASS and POSTGRES_PASSWORD
  • Start the docker containers with docker-compose up. To run the containers within the historical past, upload the -d flag:

docker-compose up -d