LOW · 1.8

CVE-2021-23906

An issue was discovered in the Headunit NTG6 in the MBUX Infotainment System on Mercedes-Benz vehicles through 2021. A Message Length is not checked in the HiQnet Protocol, leading to remote code exec...

Vulnerability Description

An issue was discovered in the Headunit NTG6 in the MBUX Infotainment System on Mercedes-Benz vehicles through 2021. A Message Length is not checked in the HiQnet Protocol, leading to remote code execution.

CVSS Score

1.8

LOW

CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
Attack Vector
PHYSICAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
Mercedes-BenzMercedes-Benz User Experience<= 2021
Mercedes-BenzA 220-
Mercedes-BenzA 220 4Matic-
Mercedes-BenzE 350-
Mercedes-BenzE 350 4Matic-
Mercedes-BenzEqc-
Mercedes-BenzGle 350-
Mercedes-BenzGle 350 4Matic-

Related Weaknesses (CWE)

References

FAQ

What is CVE-2021-23906?

CVE-2021-23906 is a vulnerability with a CVSS score of 1.8 (LOW). An issue was discovered in the Headunit NTG6 in the MBUX Infotainment System on Mercedes-Benz vehicles through 2021. A Message Length is not checked in the HiQnet Protocol, leading to remote code exec...

How severe is CVE-2021-23906?

CVE-2021-23906 has been rated LOW with a CVSS base score of 1.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-23906?

Check the references section above for vendor advisories and patch information. Affected products include: Mercedes-Benz Mercedes-Benz User Experience, Mercedes-Benz A 220, Mercedes-Benz A 220 4Matic, Mercedes-Benz E 350, Mercedes-Benz E 350 4Matic.