Vulnerability in Mercedes-Benz Headunit Ntg6 User Experience

CVE-2023-34403

Mercedes-Benz head-unit NTG6 has Ethernet pins on Base Board to connect module CSB. Attacker can connect to this pins and get access to internal network. A race condition can be acquired and attacker can spoof “UserData” with desirable file path and access it though backup on USB.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.002 (12.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 12.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-34403: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-34403?
CVE-2023-34403 is a medium-severity vulnerability in Mercedes-Benz Headunit Ntg6 User Experience, classified under Improper Access Control. CVSS score: 4.9/10. Published 2025-02-13.
How severe is CVE-2023-34403?
Medium severity. CVSS v3 base score is 4.9 out of 10.