CVE-2021-23907

2.9 LOW 2% exploit odds No fix listed

What it is

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.

At a glance

Exploitability: Can be exploited with physical access without logging in, but needs a user to act. Limited direct impact.
Exploit odds: 2.4% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2021-05-13 19:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 03:39 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 2.4% in the next 30 days (EPSS).
Severity: 2.9 LOW (CVSS).
Fix: none linked yet, which raises it.

Details

Published: 2021-05-13 19:15 UTC
Last modified: 2026-06-17 03:39 UTC
Exploit probability: 2.4% · EPSS, next 30 days
Record status: Modified

Affected

mercedes-benz Headunit ntg6 mercedes-benz User Experience 2021

Attack profile CVSS 3.1 · 2.9

Attack vector: Physical
Complexity: High
Privileges needed: None
User interaction: Required
Scope: Unchanged
Confidentiality: Low
Integrity: Low
Availability: None

Raw vector

CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2021-23907.md and follow it. Check whether this project is affected by CVE-2021-23907. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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References

NVD record · CVE.org record