An issue was discovered in the Headunit NTG6 in the MBUX Infotainment System on Mercedes-Benz vehicles through 2021. A Message Length is not checked in the HiQnet Protocol, leading to remote code execution.
Published 2021-05-13 19:15:08
Updated 2021-05-25 13:49:33
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Input validationExecute code

Exploit prediction scoring system (EPSS) score for CVE-2021-23906

2.52%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 90 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-23906

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
2.1
LOW AV:L/AC:L/Au:N/C:P/I:N/A:N
3.9
2.9
NIST
1.8
LOW CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
0.4
1.4
MITRE
6.8
MEDIUM CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
0.9
5.9
NIST

CWE ids for CVE-2021-23906

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-23906

Products affected by CVE-2021-23906

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