What is the CVSS score of CVE-2023-34399?

CVE-2023-34399 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.3%.

Which versions of Headunit Ntg6 Mercedes Benz User Experience are affected by CVE-2023-34399?

Organizations using Mercedes-Benz head-unit NTG6 face critical risk from CVE-2023-34399, a integer overflow vulnerability rated CVSS 9.8.

How to fix or mitigate CVE-2023-34399?

Within 24 hours: Identify all affected systems and apply vendor patches immediately. Monitor vendor channels for patch availability.

Headunit Ntg6 Mercedes Benz User Experience CVE-2023-34399

CRITICAL

Integer Overflow or Wraparound (CWE-190)

2025-02-13 cve@mitre.org

Integer Overflow Buffer Overflow Headunit Ntg6 Mercedes Benz User Experience

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:26 vuln.today

CVE Published

Feb 13, 2025 - 22:15 nvd

CRITICAL 9.8

DescriptionCVE.org

Mercedes-Benz head-unit NTG6 contains functions to import or export profile settings over USB. Some values of this table are serialized archive according boost library. The version of boost library contains vulnerability integer overflow.

AnalysisAI

Mercedes-Benz head-unit NTG6 contains functions to import or export profile settings over USB. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Integer Overflow (CWE-190), which allows attackers to cause unexpected behavior through arithmetic overflow. Mercedes-Benz head-unit NTG6 contains functions to import or export profile settings over USB. Some values of this table are serialized archive according boost library. The version of boost library contains vulnerability integer overflow. Affected products include: Mercedes-Benz Headunit Ntg6 Mercedes-Benz User Experience.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate arithmetic operations, use safe integer libraries, check bounds before allocation.