// For flags

CVE-2023-28907

A lack of access restrictions on internal memory regions

Severity Score

6.7
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

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.

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.

*Credits: Artem Ivachev from PCA Cyber Security (PCAutomotive)
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
Multiple
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
Poc
Automatable
No
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2023-03-27 CVE Reserved
  • 2025-06-28 CVE Published
  • 2025-06-29 EPSS Updated
  • 2025-06-30 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-284: Improper Access Control
CAPEC
  • CAPEC-180: Exploiting Incorrectly Configured Access Control Security Levels
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