// For flags

CVE-2023-28911

Arbitrary Channel Disconnection Resulting in Denial of Service

Severity Score

6.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

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.

*Credits: Mikhail Evdokimov from PCA Cyber Security (PCAutomotive)
CVSS Scores
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Adjacent
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2023-03-27 CVE Reserved
  • 2025-06-28 CVE Published
  • 2025-06-28 CVE Updated
  • 2025-06-29 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-20: Improper Input Validation
CAPEC
  • CAPEC-216: Communication Channel Manipulation
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Preh Car Connect GmbH (JOYNEXT GmbH)
Search vendor "Preh Car Connect GmbH (JOYNEXT GmbH)"
 Volkswagen MIB3 Infotainment System MIB3 OI MQB
Search vendor "Preh Car Connect GmbH (JOYNEXT GmbH)" for product "Volkswagen MIB3 Infotainment System MIB3 OI MQB"
 <= 0304
Search vendor "Preh Car Connect GmbH (JOYNEXT GmbH)" for product "Volkswagen MIB3 Infotainment System MIB3 OI MQB" and version " <= 0304"
en
Affected