CVE-2021-23909 - OpenCVE

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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact Low

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

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

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Mercedes-benz	A 220 A 220 4matic E 350 E 350 4matic Eqc Gle 350 Gle 350 4matic Hermes

Configuration 1 [-]

AND

cpe:2.3:a:mercedes-benz:hermes:2.1:*:*:*:*:*:*:*

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:-:::::::*

No data.

References

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

History

No history.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-05-13T18:57:38

Updated: 2024-08-03T19:14:09.561Z

Reserved: 2021-01-12T00:00:00

Link: CVE-2021-23909

Vulnrichment

No data.

NVD

Status : Analyzed

Published: 2021-05-13T19:15:07.870

Modified: 2021-05-25T18:19:29.567

Link: CVE-2021-23909

Redhat

No data.

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "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."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AC:L/AV:L/A:H/C:L/I:H/PR:H/S:U/UI:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-05-13T18:57:38", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://media.daimler.com/marsMediaSite/en/instance/ko.xhtml?oid=49946866"}, {"tags": ["x_refsource_MISC"], "url": "https://keenlab.tencent.com/en/2021/05/12/Tencent-Security-Keen-Lab-Experimental-Security-Assessment-on-Mercedes-Benz-Cars/"}, {"tags": ["x_refsource_MISC"], "url": "https://keenlab.tencent.com/en/whitepapers/Mercedes_Benz_Security_Research_Report_Final.pdf"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-23909", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "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."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AC:L/AV:L/A:H/C:L/I:H/PR:H/S:U/UI:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://media.daimler.com/marsMediaSite/en/instance/ko.xhtml?oid=49946866", "refsource": "MISC", "url": "https://media.daimler.com/marsMediaSite/en/instance/ko.xhtml?oid=49946866"}, {"name": "https://keenlab.tencent.com/en/2021/05/12/Tencent-Security-Keen-Lab-Experimental-Security-Assessment-on-Mercedes-Benz-Cars/", "refsource": "MISC", "url": "https://keenlab.tencent.com/en/2021/05/12/Tencent-Security-Keen-Lab-Experimental-Security-Assessment-on-Mercedes-Benz-Cars/"}, {"name": "https://keenlab.tencent.com/en/whitepapers/Mercedes_Benz_Security_Research_Report_Final.pdf", "refsource": "MISC", "url": "https://keenlab.tencent.com/en/whitepapers/Mercedes_Benz_Security_Research_Report_Final.pdf"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T19:14:09.561Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://media.daimler.com/marsMediaSite/en/instance/ko.xhtml?oid=49946866"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://keenlab.tencent.com/en/2021/05/12/Tencent-Security-Keen-Lab-Experimental-Security-Assessment-on-Mercedes-Benz-Cars/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://keenlab.tencent.com/en/whitepapers/Mercedes_Benz_Security_Research_Report_Final.pdf"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-23909", "datePublished": "2021-05-13T18:57:38", "dateReserved": "2021-01-12T00:00:00", "dateUpdated": "2024-08-03T19:14:09.561Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mercedes-benz:hermes:2.1:*:*:*:*:*:*:*", "matchCriteriaId": "EE40EAC0-6856-445B-933F-8B565988151E", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mercedes-benz:a_220:-:*:*:*:*:*:*:*", "matchCriteriaId": "00C6FB3F-99E8-4F72-8B40-93AB5244D3A3", "vulnerable": false}, {"criteria": "cpe:2.3:h:mercedes-benz:a_220_4matic:-:*:*:*:*:*:*:*", "matchCriteriaId": "6AE91DA7-054C-43D0-9E4D-6385375A5739", "vulnerable": false}, {"criteria": "cpe:2.3:h:mercedes-benz:e_350:-:*:*:*:*:*:*:*", "matchCriteriaId": "D7F9C8E2-57A0-4D2D-8211-33104006B92B", "vulnerable": false}, {"criteria": "cpe:2.3:h:mercedes-benz:e_350_4matic:-:*:*:*:*:*:*:*", "matchCriteriaId": "8EC39015-8D7D-4B64-9EBF-C51576DC97A9", "vulnerable": false}, {"criteria": "cpe:2.3:h:mercedes-benz:eqc:-:*:*:*:*:*:*:*", "matchCriteriaId": "435101DE-3319-4633-8FCC-03CC247F091D", "vulnerable": false}, {"criteria": "cpe:2.3:h:mercedes-benz:gle_350:-:*:*:*:*:*:*:*", "matchCriteriaId": "12F309D8-C0F6-46A3-9B9E-B3C62EAF0230", "vulnerable": false}, {"criteria": "cpe:2.3:h:mercedes-benz:gle_350_4matic:-:*:*:*:*:*:*:*", "matchCriteriaId": "53E65192-1977-44E6-AF77-370CAB4AC3BB", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Se detect\u00f3 un problema en HERMES versi\u00f3n 2.1 en el sistema de infoentretenimiento MBUX de los veh\u00edculos Mercedes-Benz hasta 2021. La MCU SH2 permite la ejecuci\u00f3n remota de c\u00f3digo"}], "id": "CVE-2021-23909", "lastModified": "2021-05-25T18:19:29.567", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.8, "impactScore": 5.5, "source": "cve@mitre.org", "type": "Secondary"}]}, "published": "2021-05-13T19:15:07.870", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://keenlab.tencent.com/en/2021/05/12/Tencent-Security-Keen-Lab-Experimental-Security-Assessment-on-Mercedes-Benz-Cars/"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://keenlab.tencent.com/en/whitepapers/Mercedes_Benz_Security_Research_Report_Final.pdf"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://media.daimler.com/marsMediaSite/en/instance/ko.xhtml?oid=49946866"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}