Integer overflow in Preh Car Connect GmbH (JOYNEXT GmbH) Volkswagen MIB3 infotainment…
Priority MEDIUM 49CWE-190Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00216 12th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Preh Car Connect GmbH (JOYNEXT GmbH) | Volkswagen MIB3 infotainment system MIB3 OI MQB | up to 0304 | — | No fix listed | CNA |
- Volkswagen MIB3 infotainment system MIB3 OI MQB VendorPreh Car Connect GmbH (JOYNEXT GmbH) Affected up to 0304 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-28903
- 2026-10-03 Alias added: GHSA-7w84-g65j-5mx7
References
More Preh Car Connect GmbH (JOYNEXT GmbH) vulnerabilities
- TI-2023-13402 Integer Overflow Leading to MTU Bypass CVSS 3.1HIGH 8.0
- TI-2023-13398 Heap buffer overflow in picserver CVSS 3.1HIGH 8.0
- TI-2023-13399 Command injection in networking service CVSS 3.1HIGH 7.8
- TI-2023-13400 A lack of access restrictions on internal memory regions CVSS 3.1MEDIUM 6.7
- TI-2023-13401 Integer Overflow in Non-Fragmented Data Reception CVSS 3.1MEDIUM 5.4
- TI-2023-13397 Bypass of secure boot process CVSS 3.1MEDIUM 5.2
Sources
- CVE-2023-28903 · CVE Program
- CVE-2023-28903 · NVD
- FIRST EPSS
- GHSA-7w84-g65j-5mx7 · GitHub Advisory Database · CC BY 4.0
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