CVE-2024-32742

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V3.0). The affected device contains an unrestricted USB port. An attacker with local access to the device could potentially misuse the port for booting another operating system and gain complete read/write access to the filesystem.

CVSS v3 7.6 HIGH

7.6^/10

CVSS v3 : HIGH

Vector :

Exploitability : 0.9 / Impact : 6.0

Attack Vector PHYSICAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://cert-portal.siemens.com/productcert/html/ssa-273900.html	Vendor Advisory
https://cert-portal.siemens.com/productcert/html/ssa-273900.html	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:siemens:simatic_cn_4100_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:simatic_cn_4100:-:*:*:*:*:*:*:*

History

20 Aug 2025, 18:05

Type	Values Removed	Values Added
First Time		Siemens Siemens simatic Cn 4100 Firmware Siemens simatic Cn 4100
CPE		cpe:2.3:h:siemens:simatic_cn_4100:-:::::::* cpe:2.3:o:siemens:simatic_cn_4100_firmware::::::::
References	~~() https://cert-portal.siemens.com/productcert/html/ssa-273900.html -~~	() https://cert-portal.siemens.com/productcert/html/ssa-273900.html - Vendor Advisory

Information

Published : 2024-05-14 16:17

Updated : 2025-08-20 18:05

NVD link : CVE-2024-32742

Mitre link : CVE-2024-32742

CVE.ORG link : CVE-2024-32742

JSON object : View

Products Affected

siemens

simatic_cn_4100_firmware
simatic_cn_4100

CWE

CWE-1326

Missing Immutable Root of Trust in Hardware

{"id": "CVE-2024-32742", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "productcert@siemens.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 7.6, "attackVector": "PHYSICAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 0.9}]}, "published": "2024-05-14T16:17:12.103", "references": [{"url": "https://cert-portal.siemens.com/productcert/html/ssa-273900.html", "tags": ["Vendor Advisory"], "source": "productcert@siemens.com"}, {"url": "https://cert-portal.siemens.com/productcert/html/ssa-273900.html", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "productcert@siemens.com", "description": [{"lang": "en", "value": "CWE-1326"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability has been identified in SIMATIC CN 4100 (All versions < V3.0). The affected device contains an unrestricted USB port. An attacker with local access to the device could potentially misuse the port for booting another operating system and gain complete read/write access to the filesystem."}, {"lang": "es", "value": "Se ha identificado una vulnerabilidad en SIMATIC CN 4100 (todas las versiones < V3.0). El dispositivo afectado contiene un puerto USB sin restricciones. Un atacante con acceso local al dispositivo podr\u00eda hacer un mal uso del puerto para iniciar otro sistema operativo y obtener acceso completo de lectura/escritura al sistema de archivos."}], "lastModified": "2025-08-20T18:05:14.210", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_cn_4100_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F15A56BD-441A-4E61-A7D7-EADCCF8CC81B", "versionEndExcluding": "3.0"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_cn_4100:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "92619F5F-3679-4424-9455-3285FF1EF2F1"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "productcert@siemens.com"}