What is the CVSS score of CVE-2021-23907?

CVE-2021-23907 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: 2.4%.

Is there a public PoC exploit available for CVE-2021-23907?

Yes, a public proof-of-concept exploit is available for CVE-2021-23907. Prioritise patching immediately. EPSS: 2.4%.

Headunit Ntg6 Mercedes Benz User Experience CVE-2021-23907

CRITICAL

2021-05-13 cve@mitre.org

RCE 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

CVE Published

May 13, 2021 - 19:15 nvd

CRITICAL 9.8

DescriptionNVD

AnalysisAI

An issue was discovered in the Headunit NTG6 in the MBUX Infotainment System on Mercedes-Benz vehicles through 2021. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

An issue was discovered in the Headunit NTG6 in the MBUX Infotainment System on Mercedes-Benz vehicles through 2021. The count in MultiSvGet, GetAttributes, and MultiSvSet is not checked in the HiQnet Protocol, leading to remote code execution. Affected products include: Mercedes-Benz Headunit Ntg6 Mercedes-Benz User Experience. Version information: through 2021..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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CVE-2021-23907 vulnerability details – vuln.today

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Headunit Ntg6 Mercedes Benz User Experience CVE-2021-23907

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code