What is CVE-2023-28903?

CVE-2023-28903 is a low-severity vulnerability in Preh Car Connect Gmbh (Joynext Gmbh) Volkswagen Mib3 Infotainment System Oi Mqb, classified under Integer Overflow or Wraparound. CVSS score: 3.3/10. Published 2025-06-28.

How severe is CVE-2023-28903?

Low severity. CVSS v3 base score is 3.3 out of 10.

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

CVE-2023-28903

An integer overflow in the image processing binary of the MIB3 infotainment unit allows an attacker with local access to the vehicle to cause a denial-of-service of the infotainment system.

Vulnerability class: Integer Overflow

Published 2025-06-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.002 (9.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 9.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

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

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

i.blackhat.com/EU-24/Presentations/EU-24-Parnishchev-OverTheAirVW.pdf
pcacybersecurity.com/resources/advisory/vulnerabilities-in-vw-mib3-infotainment… (technical-description)
asrg.io/security-advisories/vulnerabilities-in-volkswagen-mib3-infotainment-par… (third-party-advisory)

Frequently asked questions

What is CVE-2023-28903?: CVE-2023-28903 is a low-severity vulnerability in Preh Car Connect Gmbh (Joynext Gmbh) Volkswagen Mib3 Infotainment System Oi Mqb, classified under Integer Overflow or Wraparound. CVSS score: 3.3/10. Published 2025-06-28.
How severe is CVE-2023-28903?: Low severity. CVSS v3 base score is 3.3 out of 10.