CVE-2021-23908

CVSS V2 High 7.5 CVSS V3 Critical 9.8
Description
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.
Overview
  • CVE ID
  • CVE-2021-23908
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-05-13T19:15:07
  • Last Modified Date
  • 2021-12-10T18:09:47
Weakness Enumerations
CWE URL
CWE-843 http://cwe.mitre.org/data/definitions/843.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:a:mercedes-benz:headunit_ntg6_mercedes-benz_user_experience:2021:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mercedes-benz:a_220:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:mercedes-benz:a_220_4matic:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:mercedes-benz:e_350:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:mercedes-benz:e_350_4matic:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:mercedes-benz:eqc:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:mercedes-benz:gle_350:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:mercedes-benz:gle_350_4matic:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 7.5
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-23908
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23908
History
Created Old Value New Value Data Type Notes
2022-05-10 06:41:46 Added to TrackCVE
2022-12-05 02:15:11 2021-05-13T19:15Z 2021-05-13T19:15:07 CVE Published Date updated
2022-12-05 02:15:11 2021-12-10T18:09:47 CVE Modified Date updated
2022-12-05 02:15:11 Analyzed Vulnerability Status updated