CVE-2023-28907 MEDIUM

CVE-2023-28907: A lack of access restrictions on internal memory regions

Vendor Preh Car Connect Gmbh (Joynext Gmbh)
Product Volkswagen MIB3 infotainment system MIB3 OI MQB
Weakness CWE-284
Published June 28, 2025
Last update June 30, 2025

CVSS base score

6.7/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

There is no memory isolation between CPU cores of the MIB3 infotainment. This fact allows an attacker with access to the main operating system to compromise the CPU core responsible for CAN message processing. 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.

Key dates

02Disclosure timeline

June 28, 2025 CVE published
June 30, 2025 Record updated