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At the time of advisory publication no public exploitation of this security vulnerability was known."}, {"lang": "es", "value": "Se ha identificado una vulnerabilidad en la variante de firmware IEC 61850 para el m\u00f3dulo de Ethernet EN100 (todas las versiones anteriores a la V4.33), la variante de firmware PROFINET IO para el m\u00f3dulo de Ethernet EN100 (todas las versiones), la variante de firmware Modbus TCP para el m\u00f3dulo de Ethernet EN100 (todas las versiones), la variante de firmware DNP3 TCP para el m\u00f3dulo de Ethernet EN100 (todas las versiones), la variante de firmware IEC104b para el m\u00f3dulo de Ethernet EN100 (todas las versiones anteriores a la V7.80), los relays SIPROTEC 5 con las variantes de CPU CP300 y CP100 y los respectivos m\u00f3dulos de comunicaci\u00f3n Ethernet (todas las versiones anteriores a la V7.80) y los relays SIPROTEC 5 con las variantes de CPU CP200 y los respectivos m\u00f3dulos de comunicaci\u00f3n Ethernet (todas las versiones anteriores a la V7.58). Los paquetes especialmente manipulados enviados al puerto 102/tcp podr\u00edan provocar una denegaci\u00f3n de servicio (DoS) en los productos afectados. Se necesita un reinicio manual para recuperar la funcionalidad del m\u00f3dulo EN100 de los dispositivos afectados. Su explotaci\u00f3n con \u00e9xito requiere que un atacante con acceso de red env\u00ede m\u00faltiples paquetes a los productos o m\u00f3dulos afectados. Como prerrequisito, la comunicaci\u00f3n IEC 61850-MMS necesita activarse en los productos o m\u00f3dulos afectados. No se requiere interacci\u00f3n o privilegios del usuario para explotar esta vulnerabilidad. La vulnerabilidad podr\u00eda permitir una denegaci\u00f3n de servicio (DoS) en la funcionalidad de red del dispositivo, comprometiendo la disponibilidad del sistema. En el momento de la publicaci\u00f3n del advisory, no se conoce ninguna explotaci\u00f3n p\u00fablica de la vulnerabilidad de seguridad."}], "id": "CVE-2018-11451", "lastModified": "2024-11-21T03:43:23.707", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-07-23T21:29:00.237", "references": [{"source": "productcert@siemens.com", "tags": ["Mitigation", "Patch", "Vendor Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-325546.pdf"}, {"source": "productcert@siemens.com", "tags": ["Mitigation", "Patch", "Vendor Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-635129.pdf"}, {"source": "productcert@siemens.com", "url": "https://www.securityfocus.com/bid/106221"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mitigation", "Patch", "Vendor Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-325546.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mitigation", "Patch", "Vendor Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-635129.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.securityfocus.com/bid/106221"}], "sourceIdentifier": "productcert@siemens.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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