The Bluetooth functionality in Lemur Vehicle Monitors BlueDriver before 2016-04-07 supports unrestricted pairing without a PIN, which allows remote attackers to send arbitrary CAN commands by leveraging access to a device inside or adjacent to the vehicle, as demonstrated by a CAN command to disrupt braking or steering.
Severity
CVSS 3.0
8.8 high
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.1% chance of exploitation in the next 30 days; higher than 64% of CVEs (scores of 2026-10-31)