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TI-2023-13400 Aliases CVE-2023-28907GHSA-5jg2-cjvx-wcpp

A lack of access restrictions on internal memory regions

Priority HIGH 65CWE-284Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-284.

Summary

There is no memory isolation between CPU cores of the MIB3 infotainment. This fact allows an attacker with access to the main operating system to compromise the CPU core responsible for CAN message processing. 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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00208 11th 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
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Preh Car Connect GmbH (JOYNEXT GmbH)Volkswagen MIB3 infotainment system MIB3 OI MQBup to 0304—No fix listedCNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-28907
  2. 2026-10-03 Alias added: GHSA-5jg2-cjvx-wcpp

References

  • 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-2023-13401 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
  • TI-2023-13396 Integer overflow in Preh Car Connect GmbH (JOYNEXT GmbH) Volkswagen MIB3 infotainment… CVSS 3.1LOW 3.3
See all 11 →

Sources