{"id": "CVE-2020-15791", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 3.3, "accessVector": "ADJACENT_NETWORK", "vectorString": "AV:A/AC:L/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 6.5, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "published": "2020-09-09T19:15:20.663", "references": [{"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-381684.pdf", "tags": ["Vendor Advisory"], "source": "productcert@siemens.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "productcert@siemens.com", "description": [{"lang": "en", "value": "CWE-522"}]}, {"type": "Secondary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-522"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability has been identified in SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions), SIMATIC S7-400 CPU family (incl. SIPLUS variants) (All versions), SIMATIC WinAC RTX (F) 2010 (All versions), SINUMERIK 840D sl (All versions). The authentication protocol between a client and a PLC via port 102/tcp (ISO-TSAP) insufficiently protects the transmitted password. This could allow an attacker that is able to intercept the network traffic to obtain valid PLC credentials."}, {"lang": "es", "value": "Se ha identificado una vulnerabilidad en la familia de SIMATIC S7-300 CPU (incluyendo las CPU ET200 relacionadas y las variantes SIPLUS) (Todas las versiones), familia SIMATIC S7-400 CPU (incluyendo las variantes SIPLUS) (Todas las versiones), SIMATIC WinAC RTX (F) 2010 (Todas las versiones), SINUMERIK 840D sl (Todas las versiones). El protocolo de autenticaci\u00f3n entre un cliente y un PLC por medio del puerto 102/tcp (ISO-TSAP) no protege suficientemente la contrase\u00f1a transmitida. Esto podr\u00eda permitir a un atacante que pueda interceptar el tr\u00e1fico de red obtener credenciales del PLC v\u00e1lidas"}], "lastModified": "2020-12-14T22:15:14.737", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_s7-300_cpu_312_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F6EF8A28-8B05-46C2-911F-37AE46E04743"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_s7-300_cpu_312:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "4FB328F8-3E03-440B-AB5C-ADA1D4F07F0E"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_s7-300_cpu_314_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BDD1105D-F909-4383-8490-66891609FDC7"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_s7-300_cpu_314:-:*:*:*:*:*:*:*", "vulnerable": false, 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