What’s Vulnerable › Vulnerabilities

CVE-2023-28907: A lack of access restrictions on internal memory regions

• Severity: medium (CVSS 6.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-06-28 · updated 2026-06-17
• Weakness: CWE-284

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.

Affected products

• Preh Car Connect GmbH (JOYNEXT GmbH) Volkswagen MIB3 infotainment system MIB3 OI MQB: through 0304

References

• https://asrg.io/security-advisories/vulnerabilities-in-volkswagen-mib3-infotainment-part-2/
• https://i.blackhat.com/EU-24/Presentations/EU-24-Parnishchev-OverTheAirVW.pdf
• https://pcacybersecurity.com/resources/advisory/vulnerabilities-in-vw-mib3-infotainment-2
• https://i.blackhat.com/EU-24/Presentations/EU-24-Parnishchev-OverTheAirVW.pdf

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