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SIPLUS variants) (All versions >= V21.9 < V21.9.4), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions >= V4.5.0 < V4.5.2), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions >= V2.9.2 < V2.9.4), SIMATIC S7-1500 Software Controller (All versions >= V21.9 < V21.9.4), SIMATIC S7-PLCSIM Advanced (All versions >= V4.0 < V4.0 SP1), SIPLUS TIM 1531 IRC (All versions < V2.3.6), TIM 1531 IRC (All versions < V2.3.6). An unauthenticated attacker could cause a denial-of-service condition in a PLC when sending specially prepared packets over port 102/tcp. A restart of the affected device is needed to restore normal operations."}, {"lang": "es", "value": "Se ha identificado una vulnerabilidad en la familia de controladores de accionamiento SIMATIC (todas las versiones posteriores o iguales a la versi\u00f3n V2.9.2 anteriores a la versi\u00f3n V2.9.4), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incluidas las variantes SIPLUS) (todas las versiones posteriores o iguales a la versi\u00f3n V21.9 anteriores a la versi\u00f3n V21.9.4), la familia de CPU SIMATIC S7-1200 (incluidas las variantes SIPLUS) (todas las versiones posteriores o iguales a la versi\u00f3n V4.5.0 anteriores a la versi\u00f3n V4.5. 2), familia de CPUs SIMATIC S7-1500 (incl. CPUs ET200 relacionadas y variantes SIPLUS) (Todas las versiones posteriores o iguales a la versi\u00f3n V2.9.2 anteriores a la versi\u00f3n V2.9.4), SIMATIC S7-1500 Software Controller (Todas las versiones posteriores o iguales a la versi\u00f3n V21.9 anteriores a la versi\u00f3n V21.9.4), SIMATIC S7-PLCSIM Advanced (Todas las versiones posteriores o iguales a la versi\u00f3n V4.0 anteriores a la versi\u00f3n V4.0 SP1), TIM 1531 IRC (incl. variantes SIPLUS NET) (Todas las versiones posteriores o iguales a la versi\u00f3n V2.2). Un atacante no autenticado podr\u00eda provocar una condici\u00f3n de denegaci\u00f3n de servicio en un PLC al enviar paquetes especialmente preparados a trav\u00e9s del puerto 102/tcp. Es necesario reiniciar el dispositivo afectado para restablecer el funcionamiento normal anteriores a la versi\u00f3n"}], "id": "CVE-2021-37205", "lastModified": "2024-11-21T06:14:51.527", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "productcert@siemens.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Secondary"}]}, "published": "2022-02-09T16:15:13.393", "references": [{"source": "productcert@siemens.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-838121.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-838121.pdf"}], "sourceIdentifier": "productcert@siemens.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "productcert@siemens.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Secondary"}]}

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