CVE-2021-23909
MEDIUMMercedes-Benz HERMES 2.1 - Remote Code Execution via SH2 MCU Out-of-bounds Write
Title source: llmDescription
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.
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
6.3
EPSS
0.0236
EPSS Percentile
81.8%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H
Details
CWE
CWE-787
Status
published
Products (1)
mercedes-benz/hermes
2.1
Published
May 13, 2021
Tracked Since
Feb 18, 2026