CVE-2021-23909
Severity Score
9.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
An issue was discovered in HERMES 2.1 in the MBUX Infotainment System on Mercedes-Benz vehicles through 2021. The SH2 MCU allows remote code execution.
Se detectó un problema en HERMES versión 2.1 en el sistema de infoentretenimiento MBUX de los vehículos Mercedes-Benz hasta 2021. La MCU SH2 permite la ejecución remota de código
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-01-12 CVE Reserved
- 2021-05-13 CVE Published
- 2024-08-03 CVE Updated
- 2024-08-03 First Exploit
- 2024-09-15 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-787: Out-of-bounds Write
CAPEC
References (3)
| URL | Tag | Source |
|---|---|---|
| https://keenlab.tencent.com/en/2021/05/12/Tencent-Security-Keen-Lab-Experimental-Security-Assessment-on-Mercedes-Benz-Cars | Third Party Advisory | |
| https://media.daimler.com/marsMediaSite/en/instance/ko.xhtml?oid=49946866 | Third Party Advisory |
| URL | Date | SRC |
|---|---|---|
| https://keenlab.tencent.com/en/whitepapers/Mercedes_Benz_Security_Research_Report_Final.pdf | 2024-08-03 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Mercedes-benz Search vendor "Mercedes-benz" | Hermes Search vendor "Mercedes-benz" for product "Hermes" | 2.1 Search vendor "Mercedes-benz" for product "Hermes" and version "2.1" | - |
Affected
| in | Mercedes-benz Search vendor "Mercedes-benz" | A 220 Search vendor "Mercedes-benz" for product "A 220" | - | - |
Safe
|
| Mercedes-benz Search vendor "Mercedes-benz" | Hermes Search vendor "Mercedes-benz" for product "Hermes" | 2.1 Search vendor "Mercedes-benz" for product "Hermes" and version "2.1" | - |
Affected
| in | Mercedes-benz Search vendor "Mercedes-benz" | A 220 4matic Search vendor "Mercedes-benz" for product "A 220 4matic" | - | - |
Safe
|
| Mercedes-benz Search vendor "Mercedes-benz" | Hermes Search vendor "Mercedes-benz" for product "Hermes" | 2.1 Search vendor "Mercedes-benz" for product "Hermes" and version "2.1" | - |
Affected
| in | Mercedes-benz Search vendor "Mercedes-benz" | E 350 Search vendor "Mercedes-benz" for product "E 350" | - | - |
Safe
|
| Mercedes-benz Search vendor "Mercedes-benz" | Hermes Search vendor "Mercedes-benz" for product "Hermes" | 2.1 Search vendor "Mercedes-benz" for product "Hermes" and version "2.1" | - |
Affected
| in | Mercedes-benz Search vendor "Mercedes-benz" | E 350 4matic Search vendor "Mercedes-benz" for product "E 350 4matic" | - | - |
Safe
|
| Mercedes-benz Search vendor "Mercedes-benz" | Hermes Search vendor "Mercedes-benz" for product "Hermes" | 2.1 Search vendor "Mercedes-benz" for product "Hermes" and version "2.1" | - |
Affected
| in | Mercedes-benz Search vendor "Mercedes-benz" | Eqc Search vendor "Mercedes-benz" for product "Eqc" | - | - |
Safe
|
| Mercedes-benz Search vendor "Mercedes-benz" | Hermes Search vendor "Mercedes-benz" for product "Hermes" | 2.1 Search vendor "Mercedes-benz" for product "Hermes" and version "2.1" | - |
Affected
| in | Mercedes-benz Search vendor "Mercedes-benz" | Gle 350 Search vendor "Mercedes-benz" for product "Gle 350" | - | - |
Safe
|
| Mercedes-benz Search vendor "Mercedes-benz" | Hermes Search vendor "Mercedes-benz" for product "Hermes" | 2.1 Search vendor "Mercedes-benz" for product "Hermes" and version "2.1" | - |
Affected
| in | Mercedes-benz Search vendor "Mercedes-benz" | Gle 350 4matic Search vendor "Mercedes-benz" for product "Gle 350 4matic" | - | - |
Safe
|