CVE-2023-28907 A lack of access restrictions on internal memory regions
Attackers with main OS access can compromise the CAN processing core due to lack of memory isolation in MIB3 infotainment systems.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-28907?
CVE-2023-28907 is a medium-severity missing authorization vulnerability in Preh Car Connect GmbH (JOYNEXT GmbH) Volkswagen MIB3 infotainment system MIB3 OI MQB, published on 28 Jun 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-284
Which versions are affected by CVE-2023-28907?
How do I fix CVE-2023-28907?
No fix has been published for CVE-2023-28907 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2023-28907 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-28907 exists.
Sources
Also known as GHSA-5jg2-cjvx-wcpp.