How severe is CVE-2023-34404?

CVE-2023-34404 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2023-34404 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-34404?

CVE-2023-34404 affects Mercedes-benz Headunit Ntg6 Mercedes-benz User Experience. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-34404?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-34404 have an EU (EUVD) identifier?

Yes. CVE-2023-34404 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-38482.

When was CVE-2023-34404 published?

CVE-2023-34404 was published on 2025-02-13 and last updated on 2026-06-17.

CVE-2023-34404

CVE-2023-34404 is a medium-severity vulnerability in Mercedes-benz Headunit Ntg6 Mercedes-benz User Experience with a CVSS 3.x base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-38482
Weakness: CWE-284
Affected product: Mercedes-benz Headunit Ntg6 Mercedes-benz User Experience
Published: 2025-02-13
Last modified: 2026-06-17

Description

Mercedes-Benz head-unit NTG6 has Ethernet pins on Base Board to connect module CSB. Attacker can connect to these pins and get access to internal network. As a result, by accessing a specific port an attacker can send call request to all registered services in router and achieve command injection vulnerability.

Frequently asked questions

What is CVE-2023-34404?: Mercedes-Benz head-unit NTG6 has Ethernet pins on Base Board to connect module CSB. Attacker can connect to these pins and get access to internal network. As a result, by accessing a specific port an attacker can send call request to all registered services in router and achieve command injection vulnerability.
How severe is CVE-2023-34404?: CVE-2023-34404 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2023-34404 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-34404?: CVE-2023-34404 affects Mercedes-benz Headunit Ntg6 Mercedes-benz User Experience. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-34404?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-34404 have an EU (EUVD) identifier?: Yes. CVE-2023-34404 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-38482.
When was CVE-2023-34404 published?: CVE-2023-34404 was published on 2025-02-13 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:mercedes-benz:headunit_ntg6_mercedes-benz_user_experience:2021:*:*:*:*:*:*:*

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