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TI-2023-13404 Aliases CVE-2023-28911GHSA-x974-v89x-m6c8

Arbitrary Channel Disconnection Resulting in Denial of Service

Priority LOW 29CWE-20Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

A specific flaw exists within the Bluetooth stack of the MIB3 infotainment. The issue results from the lack of proper validation of user-supplied data, which can result in an arbitrary channel disconnection. An attacker can leverage this vulnerability to cause a denial-of-service attack for every connected client of the infotainment device. 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 None reported CISA SSVC · not in CISA KEV
EPSS 0.00384 32nd 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
None
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

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-2023-28911
  2. 2026-10-03 Alias added: GHSA-x974-v89x-m6c8

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-2023-13400 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
See all 11 →

Sources