CVE-2021-23907

An issue was discovered in the Headunit NTG6 in the MBUX Infotainment System on Mercedes-Benz vehicles through 2021. The count in MultiSvGet, GetAttributes, and MultiSvSet is not checked in the HiQnet Protocol, leading to remote code execution.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://keenlab.tencent.com/en/2021/05/12/Tencent-Security-Keen-Lab-Experimental-Security-Assessment-on-Mercedes-Benz-Cars/	Third Party Advisory
https://keenlab.tencent.com/en/whitepapers/Mercedes_Benz_Security_Research_Report_Final.pdf	Exploit Third Party Advisory
https://media.daimler.com/marsMediaSite/en/instance/ko.xhtml?oid=49946866	Third Party Advisory

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Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:mercedes-benz:headunit_ntg6_mercedes-benz_user_experience:2021:*:*:*:*:*:*:*

OR	cpe:2.3:h:mercedes-benz:a_220:-:::::::*
	cpe:2.3:h:mercedes-benz:a_220_4matic:-:::::::*
	cpe:2.3:h:mercedes-benz:e_350:-:::::::*
	cpe:2.3:h:mercedes-benz:e_350_4matic:-:::::::*
	cpe:2.3:h:mercedes-benz:eqc:-:::::::*
	cpe:2.3:h:mercedes-benz:gle_350:-:::::::*
	cpe:2.3:h:mercedes-benz:gle_350_4matic:-:::::::*

Information

Published : 2021-05-13 12:15

Updated : 2022-02-24 11:27

NVD link : CVE-2021-23907

Mitre link : CVE-2021-23907

JSON object : View

CWE

NVD-CWE-noinfo

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Products Affected

mercedes-benz

gle_350_4matic
headunit_ntg6_mercedes-benz_user_experience
e_350
eqc
e_350_4matic
a_220_4matic
gle_350
a_220

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