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CVE-2020-8539

HIGH
7.8
CVSS Score
Published: December 1, 2020 at 05:48 PM UTC
Updated: June 17, 2026 at 03:26 AM UTC
2 products affected across 1 vendorHead Unit FirmwareHead Unit

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Severity
HIGH7.8
Exploit prediction
EPSS 2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

x_refsource_MISCThird Party Advisory
Source: [email protected]
https://gist.github.com/gianpyc/4dc8b0d0c29774a10a97785711e325c3
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://sowhat.iit.cnr.it/pdf/IIT-20-2020.pdf

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-276

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