CVE-2018-4838

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The web interface (TCP/80) of affected devices allows an unauthenticated user to upgrade or downgrade the firmware of the device, including to older versions with known vulnerabilities."}, {"lang": "es", "value": "Se ha identificado una vulnerabilidad en la variante del m\u00f3dulo de Ethernet EN100 IEC 61850 (todas las versiones anteriores a la V4.30), la variante del m\u00f3dulo de Ethernet EN100 DNP3 (todas las versiones anteriores a la V1.04), la variante del m\u00f3dulo de Ethernet EN100 PROFINET IO (todas las versiones), la variante del m\u00f3dulo de Ethernet EN100 Modbus TCP (todas las versiones) y la variante del m\u00f3dulo de Ethernet EN100 IEC 104 (todas las versiones anteriores a la V1.22). La interfaz web (TCP/80) de los dispositivos afectados permite que un usuario no autenticado actualice o degrade el firmware del dispositivo, incluyendo versiones m\u00e1s antiguas con vulnerabilidades conocidas."}], "id": "CVE-2018-4838", "lastModified": "2026-06-17T01:59:08.600", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-03-08T17:29:00.210", "references": [{"source": "productcert@siemens.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-845879.pdf"}, {"source": "productcert@siemens.com", "url": "https://www.securityfocus.com/bid/103379"}, {"source": "nvd@nist.gov", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://ics-cert.us-cert.gov/advisories/ICSA-18-067-01"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-845879.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.securityfocus.com/bid/103379"}], "sourceIdentifier": "productcert@siemens.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-306"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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