CVE-2020-8539: Kia Head Unit Firmware

High severity, CVSS 7.8. EPSS: 2.3% chance of exploitation in the next 30 days.

Kia Motors Head Unit with Software version: SOP.003.30.18.0703, SOP.005.7.181019, and SOP.007.1.191209 may allow an attacker to inject unauthorized commands, by executing the micomd executable deamon, to trigger unintended functionalities. In addition, this executable may be used by an attacker to inject commands to generate CAN frames that are sent into the M-CAN bus (Multimedia CAN bus) of the vehicle.

Affected products

• Kia Head Unit Firmware: version sop.003.30.18.0703 only; version sop.005.7.181019 only; version sop.007.1.191209 only

Published 2020-12-01. Last modified 2026-06-17.