CVE-2024-37603: An issue was discovered in Mercedes Benz NTG (New Telematics Generation) 6

Routine

MEDIUM 4.6DOWNGRADE

CVE-2024-37603 is a medium-severity flaw (CVSS 4.6) affecting headunit ntg6 mercedes-benz user experience. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in Mercedes Benz NTG (New Telematics Generation) 6. A possible type confusion exists in the user data import/export function of NTG 6 head units. To perform this attack, local access to the USB interface of the car is needed. With prepared data, an attacker can cause the User-Data service to fail. The failed service instance will restart automatically.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.6 (Medium)
Attack vector	Physical
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 73%)
CISA exploited list	No
Weakness	CWE-843
Published	2025-02-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: mercedes-benz

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-02-13 23:15 UTCPublished CVE record published
2026-06-17 07:38 UTCUpdated Record last modified

mercedes-benz headunit ntg6 mercedes-benz user experience DOWNGRADE

Affected: 2021

Fixed in: no fixed release known

Safe to downgrade to: a release before 2021

1. Check installed version

apt-cache policy headunit-ntg6-mercedes-benz-user-experience || rpm -q headunit-ntg6-mercedes-benz-user-experience || headunit-ntg6-mercedes-benz-user-experience --version

2. No fixed release: DOWNGRADE to a release before 2021 (Debian / Ubuntu)

apt-cache madison headunit-ntg6-mercedes-benz-user-experience sudo apt install headunit-ntg6-mercedes-benz-user-experience=<VERSION_BEFORE_2021> sudo apt-mark hold headunit-ntg6-mercedes-benz-user-experience

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list headunit-ntg6-mercedes-benz-user-experience sudo dnf downgrade headunit-ntg6-mercedes-benz-user-experience-<VERSION_BEFORE_2021> sudo dnf versionlock add headunit-ntg6-mercedes-benz-user-experience

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-37603?

headunit ntg6 mercedes-benz user experience: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-37603 being exploited?

CVE-2024-37603 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-37603 affect?

CVE-2024-37603 affects headunit ntg6 mercedes-benz user experience. Severity is medium (CVSS 4.6). An issue was discovered in Mercedes Benz NTG (New Telematics Generation) 6. A possible type confusion exists in the user data import/export function of NTG 6 head units. To perform this attack, local access to the USB interface of the car i

How urgent is CVE-2024-37603?

Priority 23/100. No elevated risk signals yet.

Related CVEs

CVE-2024-37602 MEDIUM 4.6 UPGRADE An issue was discovered in Mercedes Benz NTG (New Telematics Generation) 6 through 2021
CVE-2024-37601 MEDIUM 4.6 UPGRADE An issue was discovered in Mercedes Benz NTG (New Telematics Generation) 6
CVE-2024-37600 MEDIUM 6.8 UPGRADE An issue was discovered in Mercedes Benz NTG (New Telematics Generation) 6 through 2021
CVE-2023-34406 LOW 3.3 UPGRADE An issue was discovered on Mercedes Benz NTG 6
CVE-2023-34404 MEDIUM 4.9 DOWNGRADE Mercedes-Benz head-unit NTG6 has Ethernet pins on Base Board to connect module CSB

References

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