CVE-2023-28912 - CVE House
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Status published Medium CVE-2023-28912

Cleartext Phonebook Information

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Artem Ivachev from PCA Cyber Security (PCAutomotive)
  • Mikhail Evdokimov from PCA Cyber Security (PCAutomotive)

Affected Vendor

Preh Car Connect GmbH (JOYNEXT GmbH)

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Affected Software

Volkswagen MIB3 infotainment system MIB3 OI MQB
Vulnerable Versions:
0

Timeline

Official Publish: June 28th, 2025
Last Modified: June 30th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Weaknesses (CWE)