CVE-2021-23907

Public Exploit

Description

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.

2.9

CVSS

Severity: Low

CVSS 3.1 •

CVSS 2.0 •

EPSS 2.53% Top 20%

Third-Party Advisory tencent.com Third-Party Advisory tencent.com Third-Party Advisory daimler.com

Affected: n/a n/a

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-2021-23907?: CVE-2021-23907 has been scored as a low severity vulnerability.
How to fix CVE-2021-23907?: To fix CVE-2021-23907, 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-2021-23907 being actively exploited in the wild?: It is possible that CVE-2021-23907 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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