PT-2019-12948 · Elm Electronics · Elm327 Obd2 Bluetooth Device

Published 2019-07-31 · Updated 2023-03-03 · CVE-2019-12797

Positive Technologies (AI Summary)

CVSS v2.0

7.5

High

Base vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions ELM327 OBD2 Bluetooth device (affected versions not specified)

Description The issue concerns a clone version of an ELM327 OBD2 Bluetooth device that has a hardcoded PIN. This hardcoded PIN can be exploited to send arbitrary commands to an OBD-II bus of a vehicle.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Using Hardcoded Credentials

Weakness Enumeration

CWE-798

Related Identifiers

CVE-2019-12797

Affected Products

Elm327 Obd2 Bluetooth Device

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2019-12797 · Security Note
• https://kth.se/polopoly_fs/1.917488.1564430206%21/elm327.pdf · Note
• https://kth.se/polopoly_fs/1.914060.1561621279%21/Ludvig%20and%20Daniel_final_dongles.pdf · Note