CVE-2023-34403

Name: CVE-2023-34403
Creator: NVD / NIST
Published: 2025-02-13T23:15:09.44+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.9/10EPSS 0.22%

Last modified Jun 17, 2026

CVE-2023-34403 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. 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. EPSS estimates a 0.22% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

4.9/10

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

EPSS Probability

0.22%

12.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions
Mercedes-Benz	Headunit Ntg6 Mercedes-Benz User Experience	<= 2021

References

https://securelist.com/mercedes-benz-head-unit-security-research/115218/Third Party Advisory

Timeline

Published: Feb 13, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-34403?

How severe is CVE-2023-34403?

CVE-2023-34403 has a CVSS score of 4.9/10 (MEDIUM severity). The EPSS model estimates a 0.22% probability of exploitation in the next 30 days.

How do I fix CVE-2023-34403?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-34403?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST