CVE-2023-28912 MEDIUM

CVE-2023-28912: Cleartext Phonebook Information

Vendor Preh Car Connect Gmbh (Joynext Gmbh)
Product Volkswagen MIB3 infotainment system MIB3 OI MQB
Weakness CWE-312 · Cleartext storage
Published June 28, 2025
Last update June 30, 2025

CVSS base score

5.7/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

The MIB3 unit stores the synchronized phone contact book in clear-text, allowing an attacker with either code execution privilege on the system or physical access to the system to obtain vehicle owner's contact data. 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