Bluetooth Stack Vulnerability in Volkswagen MIB3 Infotainment Systems
CVE-2023-28911

6.5MEDIUM

Key Information:

Vendor

Preh Car Connect Gmbh (joynext Gmbh)

Status
Volkswagen Mib3 Infotainment System Mib3 Oi MQb
Vendor
CVE Published:
28 June 2025

What is CVE-2023-28911?

A vulnerability exists within the Bluetooth stack of Volkswagen's MIB3 infotainment systems, stemming from the insufficient validation of user-supplied data. This flaw can lead to arbitrary channel disconnections, enabling attackers to execute denial-of-service (DoS) attacks against all connected clients of the infotainment device. The vulnerability was initially identified in the Skoda Superb III vehicle featuring the MIB3 unit with OEM part number 3V0035820, with additional affected models and OEM part numbers available in the referenced security advisories.

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Affected Version(s)

Volkswagen MIB3 infotainment system MIB3 OI MQB 0 <= 0304

References

https://i.blackhat.com/EU-24/Presentations/EU-24-Parnishc...
https://pcacybersecurity.com/resources/advisory/vulnerabi...
technical-description
https://asrg.io/security-advisories/vulnerabilities-in-vo...
third-party-advisory

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Mikhail Evdokimov from PCA Cyber Security (PCAutomotive)
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