CVE-2021-23909

An issue was discovered in HERMES 2.1 in the MBUX Infotainment System on Mercedes-Benz vehicles through 2021. The SH2 MCU allows 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:hermes:2.1:*:*:*:*:*:*:*

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 : 2021-05-25 11:19

NVD link : CVE-2021-23909

Mitre link : CVE-2021-23909

JSON object : View

CWE

CWE-787

Out-of-bounds Write

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Products Affected

mercedes-benz

gle_350_4matic
hermes
e_350
eqc
e_350_4matic
a_220_4matic
gle_350
a_220

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