CVE-2021-23907 describes a critical remote code execution vulnerability in the Headunit NTG6 of Mercedes-Benz MBUX Infotainment Systems, affecting various models through 2021. The flaw stems from insufficient input validation in the HiQnet Protocol's MultiSvGet, GetAttributes, and MultiSvSet functions. With a CVSS score of 9.8 (Critical), this vulnerability allows unauthenticated attackers to execute arbitrary code remotely with no user interaction, leading to complete compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation has been confirmed, its high severity and media coverage indicate significant risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2021CPE matchmatch criteria | cpe:2.3:a:mercedes-benz:headunit_ntg6_mercedes-benz_user_experience:2021:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.