CVE-2021-23909
CVSS V2 High 7.5
CVSS V3 Critical 9.8
Description
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.
Overview
- CVE ID
- CVE-2021-23909
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-05-13T19:15:07
- Last Modified Date
- 2021-05-25T18:19:29
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:a:mercedes-benz:hermes:2.1:*:*:*:*:*:*:* | 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-2021-23909 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23909 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:14:54 | Added to TrackCVE | |||
| 2022-12-05 02:15:16 | 2021-05-13T19:15Z | 2021-05-13T19:15:07 | CVE Published Date | updated |
| 2022-12-05 02:15:16 | 2021-05-25T18:19:29 | CVE Modified Date | updated | |
| 2022-12-05 02:15:16 | Analyzed | Vulnerability Status | updated |