CVE-2021-23908

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-23908
An issue was discovered in the Headunit NTG6 in the MBUX Infotainment System on Mercedes-Benz vehicles through 2021. A type confusion issue affects MultiSvSetAttributes in the HiQnet Protocol, leading to remote code execution.

9.8 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5 /10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References
Link Resource
https://keenlab.tencent.com/en/2021/05/12/Tencent-Security-Keen-Lab-Experimental-Security-Assessment-on-Mercedes-Benz-Cars/ Third Party Advisory
https://keenlab.tencent.com/en/whitepapers/Mercedes_Benz_Security_Research_Report_Final.pdf Exploit Third Party Advisory
https://media.daimler.com/marsMediaSite/en/instance/ko.xhtml?oid=49946866 Third Party Advisory
Configurations

Configuration 1 (hide)

AND
cpe:2.3:a:mercedes-benz:headunit_ntg6_mercedes-benz_user_experience:2021:*:*:*:*:*:*:*
OR 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:-:*:*:*:*:*:*:*
History

10 Dec 2021, 18:09

Type Values Removed Values Added
CPE cpe:2.3:a:mercedes-benz:mercedes-benz_user_experience:2021:*:*:*:*:*:*:* cpe:2.3:a:mercedes-benz:headunit_ntg6_mercedes-benz_user_experience:2021:*:*:*:*:*:*:*

25 May 2021, 14:08

Type Values Removed Values Added
CWE CWE-843
CPE cpe:2.3:h:mercedes-benz:a_220:-:*:*:*:*:*:*:*
cpe:2.3:h:mercedes-benz:a_220_4matic:-:*:*:*:*:*:*:*
cpe:2.3:h:mercedes-benz:gle_350_4matic:-:*:*:*:*:*:*:*
cpe:2.3:a:mercedes-benz:mercedes-benz_user_experience:2021:*:*:*:*:*:*:*
cpe:2.3:h:mercedes-benz:e_350_4matic:-:*:*:*:*:*:*:*
cpe:2.3:h:mercedes-benz:e_350:-:*:*:*:*:*:*:*
cpe:2.3:h:mercedes-benz:gle_350:-:*:*:*:*:*:*:*
cpe:2.3:h:mercedes-benz:eqc:-:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : 7.5
v3 : 9.8
References (MISC) https://media.daimler.com/marsMediaSite/en/instance/ko.xhtml?oid=49946866 - (MISC) https://media.daimler.com/marsMediaSite/en/instance/ko.xhtml?oid=49946866 - Third Party Advisory
References (MISC) https://keenlab.tencent.com/en/whitepapers/Mercedes_Benz_Security_Research_Report_Final.pdf - (MISC) https://keenlab.tencent.com/en/whitepapers/Mercedes_Benz_Security_Research_Report_Final.pdf - Exploit, Third Party Advisory
References (MISC) https://keenlab.tencent.com/en/2021/05/12/Tencent-Security-Keen-Lab-Experimental-Security-Assessment-on-Mercedes-Benz-Cars/ - (MISC) https://keenlab.tencent.com/en/2021/05/12/Tencent-Security-Keen-Lab-Experimental-Security-Assessment-on-Mercedes-Benz-Cars/ - Third Party Advisory

13 May 2021, 19:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-05-13 19:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-23908

Mitre link : CVE-2021-23908

CVE.ORG link : CVE-2021-23908

JSON object : View

Products Affected

mercedes-benz

  • gle_350_4matic
  • e_350_4matic
  • a_220_4matic
  • headunit_ntg6_mercedes-benz_user_experience
  • gle_350
  • a_220
  • eqc
  • e_350
CWE
CWE-843

Access of Resource Using Incompatible Type ('Type Confusion')