VulnerabilityModified
CVE-2021-23906
A Message Length is not checked in the HiQnet Protocol, leading to remote code execution.
MEDIUM 6.8EPSS 0.80%
Does this matter?
Lower severity and a low EPSS score (0.80%). Track it; it rarely justifies an emergency change on its own.
Description
An issue was discovered in the Headunit NTG6 in the MBUX Infotainment System on Mercedes-Benz vehicles through 2021. A Message Length is not checked in the HiQnet Protocol, leading to remote code execution.
- CVSS 3.1
- 6.8 MEDIUMCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.80% probability · 55th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- mercedes-benz/mercedes-benz user experience
- Source
- cve@mitre.org
References
- 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.pdfExploit, Third Party Advisory
- https://media.daimler.com/marsMediaSite/en/instance/ko.xhtml?oid=49946866Third 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.pdfExploit, Third Party Advisory
- https://media.daimler.com/marsMediaSite/en/instance/ko.xhtml?oid=49946866Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.