CVE-2023-34400

Published Feb 13, 2025 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed

Description

Mercedes-Benz head-unit NTG6 contains functions to import or export profile settings over USB. In case of parsing file, service try to define header inside the file and convert it to null-terminated string. If character is missed, will return null pointer.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:mercedes-benz:headunit_ntg6_mercedes-benz_user_experience:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Advisories

Source	ID	Title
EUVD	EUVD-2023-38478	Mercedes-Benz head-unit NTG6 contains functions to import or export profile settings over USB. In case of parsing file, service try to define header inside the file and convert it to null-terminated string. If character is missed, will return null pointer.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.676% probability within 30 days)

Exploitation none

Automatable yes

Technical Impact partial

References

Link	Providers
https://securelist.com/mercedes-benz-head-unit-security-research/115218/

History

Jul 13, 2025 1:45 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.00102}`	epss `{'score': 0.00118}`

Jun 27, 2025 4:30 PM First appearance in the feed. Affected versions updated. Affected vendors updated View changes

Type	Values Removed	Values Added
First Time appeared		Mercedes-benz Mercedes-benz headunit Ntg6 Mercedes-benz User Experience
CPEs		cpe:2.3:a:mercedes-benz:headunit_ntg6_mercedes-benz_user_experience::::::::
Vendors & Products		Mercedes-benz Mercedes-benz headunit Ntg6 Mercedes-benz User Experience

Mar 18, 2025 8:15 PM Weaknesses updated. Scoring metrics updated View changes

Type	Values Removed	Values Added
Weaknesses		CWE-476
Metrics	ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`	cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}` ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Feb 18, 2025 6:45 PM Weaknesses updated. Scoring metrics updated View changes

Type	Values Removed	Values Added
Weaknesses	CWE-476
Metrics	cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}`

Feb 14, 2025 5:15 PM Weaknesses updated. Scoring metrics updated View changes

Type	Values Removed	Values Added
Weaknesses		CWE-476
Metrics		cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Feb 13, 2025 10:15 PM Description updated. Added references View changes

Type	Values Removed	Values Added
Description		Mercedes-Benz head-unit NTG6 contains functions to import or export profile settings over USB. In case of parsing file, service try to define header inside the file and convert it to null-terminated string. If character is missed, will return null pointer.
References		https://securelist.com/mercedes-benz-head-unit-security-research/115218/