CVE-2021-23906
LOWMercedes-Benz MBUX Infotainment System < 2021 - Remote Code Execution via HiQnet Protocol Message Length
Title source: llmDescription
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.
References (3)
Core 3
Core References
Third Party Advisory x_refsource_misc
https://media.daimler.com/marsMediaSite/en/instance/ko.xhtml?oid=49946866
Third Party Advisory x_refsource_misc
https://keenlab.tencent.com/en/2021/05/12/Tencent-Security-Keen-Lab-Experimental-Security-Assessment-on-Mercedes-Benz-Cars/
Exploit, Third Party Advisory x_refsource_misc
https://keenlab.tencent.com/en/whitepapers/Mercedes_Benz_Security_Research_Report_Final.pdf
Scores
CVSS v3
1.8
EPSS
0.0080
EPSS Percentile
52.1%
Attack Vector
PHYSICAL
CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
Details
CWE
CWE-20
Status
published
Products (1)
mercedes-benz/mercedes-benz_user_experience
< 2021
Published
May 13, 2021
Tracked Since
Feb 18, 2026