CVE-2020-25241

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The underlying TCP stack of the affected products does not correctly validate the sequence number for incoming TCP RST packages. An attacker could exploit this to terminate arbitrary TCP sessions."}, {"lang": "es", "value": "Se ha identificado una vulnerabilidad en la familia SIMATIC MV400 (todas las versiones anteriores a V7.0.6).&#xa0;La pila TCP subyacente de los productos afectados no comprueba correctamente el n\u00famero de secuencia de los paquetes TCP RST entrantes.&#xa0;Un atacante podr\u00eda explotar esto para terminar sesiones de TCP arbitrarias"}], "id": "CVE-2020-25241", "lastModified": "2026-06-17T03:06:38.760", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "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": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-03-15T17:15:20.097", "references": [{"source": "productcert@siemens.com", "tags": ["Vendor Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-599268.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-599268.pdf"}], "sourceIdentifier": "productcert@siemens.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1285"}], "source": "productcert@siemens.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-129"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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