CVE-2020-8539

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Kia Motors Head Unit con versión de Software: SOP.003.30.18.0703, SOP.005.7.181019 y SOP.007.1.191209, pueden permitir a un atacante inyectar comandos no autorizados, mediante la ejecución del demonio del ejecutable micomd, para activar funciones no deseadas. Además, este ejecutable puede ser usado por un atacante para inyectar comandos para generar tramas CAN que se envían al bus M-CAN (bus Multimedia CAN) del vehículo

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-02-03 CVE Reserved
2020-12-01 CVE Published
2024-08-04 CVE Updated
2024-08-04 First Exploit
2024-11-07 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-276: Incorrect Default Permissions

CAPEC

References (2)

URL	Tag	Source
https://gist.github.com/gianpyc/4dc8b0d0c29774a10a97785711e325c3	Third Party Advisory

URL	Date	SRC
https://sowhat.iit.cnr.it/pdf/IIT-20-2020.pdf	2024-08-04

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Kia Search vendor "Kia"	Head Unit Firmware Search vendor "Kia" for product "Head Unit Firmware"	sop.003.30.18.0703 Search vendor "Kia" for product "Head Unit Firmware" and version "sop.003.30.18.0703"	-	Affected	in	Kia Search vendor "Kia"	Head Unit Search vendor "Kia" for product "Head Unit"	-	-	Safe
Kia Search vendor "Kia"	Head Unit Firmware Search vendor "Kia" for product "Head Unit Firmware"	sop.005.7.181019 Search vendor "Kia" for product "Head Unit Firmware" and version "sop.005.7.181019"	-	Affected	in	Kia Search vendor "Kia"	Head Unit Search vendor "Kia" for product "Head Unit"	-	-	Safe
Kia Search vendor "Kia"	Head Unit Firmware Search vendor "Kia" for product "Head Unit Firmware"	sop.007.1.191209 Search vendor "Kia" for product "Head Unit Firmware" and version "sop.007.1.191209"	-	Affected	in	Kia Search vendor "Kia"	Head Unit Search vendor "Kia" for product "Head Unit"	-	-	Safe