HIGH

CVE-2020-8539

CVSS v3

7.8

HIGH

EPSS Score

2.3 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2020-8539 yet.

Full record on NVD

Description

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.

Technical details

Published: 2020-12-01

Frequently asked questions

What is CVE-2020-8539?

Is CVE-2020-8539 actively exploited?

Active exploitation of CVE-2020-8539 has not been confirmed. Its EPSS score was 2.3% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-8539?

CVE-2020-8539 has a CVSS v3 base score of 7.8 (HIGH severity).

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