What is CVE-2023-28912?

CVE-2023-28912 is a medium-severity vulnerability in Preh Car Connect Gmbh (Joynext Gmbh) Volkswagen Mib3 Infotainment System Oi Mqb, classified under Cleartext Storage of Sensitive Information. CVSS score: 5.7/10. Published 2025-06-28.

How severe is CVE-2023-28912?

Medium severity. CVSS v3 base score is 5.7 out of 10.

Vulnerability in Preh Car Connect Gmbh (Joynext Gmbh) Volkswagen Mib3 Infotainment System Oi Mqb

CVE-2023-28912

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.

EPSS: 0.002 (11.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Preh Car Connect Gmbh (Joynext Gmbh) Volkswagen Mib3 Infotainment System Oi Mqb — versions 0

Weakness classification (CWE)

CWE-312 — Cleartext Storage of Sensitive Information

References

cve@asrg.io
cve@asrg.io (technical-description)
cve@asrg.io (third-party-advisory)

Frequently asked questions

What is CVE-2023-28912?: CVE-2023-28912 is a medium-severity vulnerability in Preh Car Connect Gmbh (Joynext Gmbh) Volkswagen Mib3 Infotainment System Oi Mqb, classified under Cleartext Storage of Sensitive Information. CVSS score: 5.7/10. Published 2025-06-28.
How severe is CVE-2023-28912?: Medium severity. CVSS v3 base score is 5.7 out of 10.