Is CVE-2023-34400 in the CISA KEV catalog?

No. CVE-2023-34400 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-34400?

CVE-2023-34400 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2023-34400?

CVE-2023-34400 has an EPSS score of 0.62% (45th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2023-34400

HIGH

7.5

CVSS v3

NVD

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.

CWE-476NULL Pointer Dereference

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.62%probability of exploitation in 30 days

45thpercentile

Moderate risk: more likely to be exploited than 45% of all known CVEs.

References

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

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-06-27.