CVE-2021-23909

Public Exploit

Description

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.

Category

6.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 3.37% Top 15%
Third-Party Advisory tencent.com Third-Party Advisory tencent.com Third-Party Advisory daimler.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://media.daimler.com/marsMediaSite/en/instance/ko.xhtml?oid=49946866 third party advisory
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 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-23909?
CVE-2021-23909 has been scored as a medium severity vulnerability.
How to fix CVE-2021-23909?
To fix CVE-2021-23909, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-23909 being actively exploited in the wild?
It is possible that CVE-2021-23909 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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