{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-04T18:33:35.481","vulnerabilities":[{"cve":{"id":"CVE-2020-15791","sourceIdentifier":"productcert@siemens.com","published":"2020-09-09T19:15:20.663","lastModified":"2024-11-21T05:06:11.270","vulnStatus":"Modified","cveTags":[],"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 autenticación entre un cliente y un PLC por medio del puerto 102/tcp (ISO-TSAP) no protege suficientemente la contraseña transmitida. Esto podría permitir a un atacante que pueda interceptar el tráfico de red obtener credenciales del PLC válidas"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:A/AC:L/Au:N/C:P/I:N/A:N","baseScore":3.3,"accessVector":"ADJACENT_NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE"},"baseSeverity":"LOW","exploitabilityScore":6.5,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"productcert@siemens.com","type":"Secondary","description":[{"lang":"en","value":"CWE-522"}]},{"source":"nvd@nist.gov","type":"Secondary","description":[{"lang":"en","value":"CWE-522"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:siemens:simatic_s7-300_cpu_312_firmware:*:*:*:*:*:*:*:*","matchCriteriaId":"F6EF8A28-8B05-46C2-911F-37AE46E04743"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:siemens:simatic_s7-300_cpu_312:-:*:*:*:*:*:*:*","matchCriteriaId":"4FB328F8-3E03-440B-AB5C-ADA1D4F07F0E"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:siemens:simatic_s7-300_cpu_314_firmware:*:*:*:*:*:*:*:*","matchCriteriaId":"BDD1105D-F909-4383-8490-66891609FDC7"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:siemens:simatic_s7-300_cpu_314:-:*:*:*:*:*:*:*","matchCriteriaId":"78399465-EED5-4EBD-A2E1-6FE0BD01EDB4"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:siemens:simatic_s7-300_cpu_315-2_dp_firmware:*:*:*:*:*:*:*:*","matchCriteriaId":"07DC9E02-9B48-496E-8656-68CFFD399F1B"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:siemens:simatic_s7-300_cpu_315-2_dp:-:*:*:*:*:*:*:*","matchCriteriaId":"E8FD8E6D-0527-4215-B6F0-5824011433FB"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:siemens:simatic_s7-300_cpu_315-2_pn_firmware:*:*:*:*:*:*:*:*","matchCriteriaId":"FEC66966-6794-4A83-A425-4BC8911392B8"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:siemens:simatic_s7-300_cpu_315-2_pn:-:*:*:*:*:*:*:*","matchCriteriaId":"1F007420-6EF7-4ECF-9CBE-BABF39B3EE3F"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:siemens:simatic_s7-300_cpu_317-2_pn_firmware:*:*:*:*:*:*:*:*","matchCriteriaId":"581B9FCA-43EC-4BF3-B836-BBD9635EA8C9"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:siemens:simatic_s7-300_cpu_317-2_pn:-:*:*:*:*:*:*:*","matchCriteriaId":"40F856D9-7954-4EE1-B5DA-18DFE21069AE"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:siemens:simatic_s7-300_cpu_317-2_dp_firmware:*:*:*:*:*:*:*:*","matchCriteriaId":"F0B56C44-3148-4612-9543-9F96DF0142A6"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:siemens:simatic_s7-300_cpu_317-2_dp:-:*:*:*:*:*:*:*","matchCriteriaId":"7593F136-F558-4C3D-8429-5141A621981B"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:siemens:simatic_s7-300_cpu_315f-2_dp_firmware:*:*:*:*:*:*:*:*","matchCriteriaId":"4D67C040-2D94-4872-98F9-B4B08290DD03"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:siemens:simatic_s7-300_cpu_315f-2_dp:-:*:*:*:*:*:*:*","matchCriteriaId":"BD7AE84F-1476-4E2C-9E2B-0EDAEFE9EDA7"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:siemens:simatic_s7-300_cpu_315f-2_pn_firmware:*:*:*:*:*:*:*:*","matchCriteriaId":"694D542E-3E4F-4B6B-BD87-11EDD6C60527"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:siemens:simatic_s7-300_cpu_315f-2_pn:-:*:*:*:*:*:*:*","matchCriteriaId":"50798314-D77E-48C9-B608-0F7A72C88138"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:siemens:simatic_s7-300_cpu_317f-2_pn_firmware:*:*:*:*:*:*:*:*","matchCriteriaId":"CD47DCD2-068E-43E0-AEF8-71E9941FA816"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"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