Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

Go to Calendar     Go to Press Room     Go to Newsletters subscription

Search

CVE-2021-23906

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
13/05/2021
Last modified:
25/05/2021

Description

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.

Impact

Vector 3.x
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.80 MEDIUM
Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Physical
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
6.80
Severity 3.x
MEDIUM
Vector 2.0
AV:L/AC:L/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 2.10 LOW
Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0
2.10
Severity 2.0
LOW

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:mercedes-benz:mercedes-benz_user_experience:*:*:*:*:*:*:*:* 2021 (including)
cpe:2.3:h:mercedes-benz:a_220:-:*:*:*:*:*:*:*
cpe:2.3:h:mercedes-benz:a_220_4matic:-:*:*:*:*:*:*:*
cpe:2.3:h:mercedes-benz:e_350:-:*:*:*:*:*:*:*
cpe:2.3:h:mercedes-benz:e_350_4matic:-:*:*:*:*:*:*:*
cpe:2.3:h:mercedes-benz:eqc:-:*:*:*:*:*:*:*
cpe:2.3:h:mercedes-benz:gle_350:-:*:*:*:*:*:*:*
cpe:2.3:h:mercedes-benz:gle_350_4matic:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools