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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.3 MEDIUM
LOCAL
LOW
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H
mitreCNA
6.3 MEDIUM
LOCAL
LOW
HIGH
CVSS:3.1/AC:L/AV:L/A:H/C:L/I:H/PR:H/S:U/UI:N
CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 86%
VendorProductVersion
mercedes-benzhermes
2.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://keenlab.tencent.com/en/2021/05/12/Tencent-Security-Keen-Lab-Experimental-Security-Assessment-on-Mercedes-Benz-Cars/
https://keenlab.tencent.com/en/whitepapers/Mercedes_Benz_Security_Research_Report_Final.pdf
https://media.daimler.com/marsMediaSite/en/instance/ko.xhtml?oid=49946866
https://keenlab.tencent.com/en/2021/05/12/Tencent-Security-Keen-Lab-Experimental-Security-Assessment-on-Mercedes-Benz-Cars/
https://keenlab.tencent.com/en/whitepapers/Mercedes_Benz_Security_Research_Report_Final.pdf
https://media.daimler.com/marsMediaSite/en/instance/ko.xhtml?oid=49946866