Type Confusion in MBUX Infotainment System - CVE-2021-23908
Published: May 20, 2021
Vulnerability identifier: #VU53386
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-23908
CWE-ID: CWE-843
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists in the Headunit NTG6 on Mercedes-Benz vehicles due to a type confusion error in MultiSvSetAttributes in the HiQnet Protocol. A remote attacker can pass specially crafted data, trigger a type confusion error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
MBUX Infotainment System
How to mitigate CVE-2021-23908
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.