VULNERABILITY INTELLIGENCE
CVE-2021-23906
CVSS score1.8 LOW
EPSS probability0.80%
CISA KEVNot currently listed
Published2021-05-13
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
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.
Weakness classification
- CWE-20: Improper Input Validation
Primary references
- cve@mitre.org — Third Party Advisory
- cve@mitre.org — Exploit, Third Party Advisory
- cve@mitre.org — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory