CVE-2023-29113

A lack of access control in custom IPC mechanism

Severity Score

6.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

The MIB3 infotainment unit used in Skoda and Volkswagen vehicles does not incorporate any privilege separation for the proprietary inter-process communication mechanism, leaving attackers with presence in the system an ability to undermine access control restrictions implemented at the operating system level.
The vulnerability was originally discovered in Skoda Superb III car with MIB3 infotainment unit OEM part number 3V0035820. The list of affected MIB3 OEM part numbers is provided in the referenced resources.

The MIB3 infotainment unit used in Skoda and Volkswagen vehicles does not incorporate any privilege separation for the proprietary inter-process communication mechanism, leaving attackers with presence in the system an ability to undermine access control restrictions implemented at the operating system level. The vulnerability was originally discovered in Skoda Superb III car with MIB3 infotainment unit OEM part number 3V0035820. The list of affected MIB3 OEM part numbers is provided in the referenced resources.

*Credits: Artem Ivachev from PCA Cyber Security (PCAutomotive)

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

Attack Vector

Local

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-03-31 CVE Reserved
2025-06-28 CVE Published
2025-06-30 CVE Updated
2025-07-02 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-284: Improper Access Control

CAPEC

CAPEC-180: Exploiting Incorrectly Configured Access Control Security Levels

References (3)

URL	Tag	Source
https://asrg.io/security-advisories/vulnerabilities-in-volkswagen-mib3-infotainment-part-2	Third Party Advisory
https://i.blackhat.com/EU-24/Presentations/EU-24-Parnishchev-OverTheAirVW.pdf
https://pcacybersecurity.com/resources/advisory/vulnerabilities-in-vw-mib3-infotainment-2	Technical Description

URL	Date	SRC

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
Preh Car Connect GmbH (JOYNEXT GmbH) Search vendor "Preh Car Connect GmbH (JOYNEXT GmbH)"		Volkswagen MIB3 Infotainment System MIB3 OI MQB Search vendor "Preh Car Connect GmbH (JOYNEXT GmbH)" for product "Volkswagen MIB3 Infotainment System MIB3 OI MQB"				<= 0304 Search vendor "Preh Car Connect GmbH (JOYNEXT GmbH)" for product "Volkswagen MIB3 Infotainment System MIB3 OI MQB" and version " <= 0304"		en		Affected