CVE-2023-34403 json
Mercedes-Benz head-unit NTG6 has Ethernet pins on Base Board to connect module CSB.
published 2025-02-13 20 mo ago modified 2026-06-17 4 mo ago also EUVD-2023-38481
- cvss
- 4.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 14%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 20 mo ago
Exploit prediction
0.23% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 4.9 | CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L |
| CNA | 3.1 | 4.9 | CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L |
Classification
- Weakness
-
- CWE-284 Improper Access Control
References
-
securelist.com
/mercedes-benz-head-unit-security-research/115218/
third-party-advisory
Sources
- CVE List CVE-2023-34403
- NVD CVE-2023-34403
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