{"api_version":"1","generated_at":"2026-04-23T04:33:33+00:00","cve":"CVE-2020-15791","urls":{"html":"https://cve.report/CVE-2020-15791","api":"https://cve.report/api/cve/CVE-2020-15791.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-15791","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-15791"},"summary":{"title":"CVE-2020-15791","description":"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.","state":"PUBLIC","assigner":"productcert@siemens.com","published_at":"2020-09-09 19:15:00","updated_at":"2020-12-14 22:15:00"},"problem_types":["CWE-522"],"metrics":[],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-381684.pdf","name":"https://cert-portal.siemens.com/productcert/pdf/ssa-381684.pdf","refsource":"MISC","tags":["Vendor Advisory"],"title":"","mime":"application/pdf","httpstatus":"200","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-15791","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15791","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"15791","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"siemens","cpe5":"simatic_s7-300_cpu_312","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"15791","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"siemens","cpe5":"simatic_s7-300_cpu_312","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"15791","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"siemens","cpe5":"simatic_s7-300_cpu_312_firmware","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"15791","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"siemens","cpe5":"simatic_s7-300_cpu_312_firmware","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"15791","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"siemens","cpe5":"simatic_s7-300_cpu_314","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"15791","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"siemens","cpe5":"simatic_s7-300_cpu_314","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"15791","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"siemens","cpe5":"simatic_s7-300_cpu_314_firmware","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"15791","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"siemens","cpe5":"simatic_s7-300_cpu_314_firmware","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"15791","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"siemens","cpe5":"simatic_s7-300_cpu_315-2_dp","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"15791","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"siemens","cpe5":"simatic_s7-300_cpu_315-2_dp","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"15791","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"siemens","cpe5":"simatic_s7-300_cpu_315-2_dp_firmware","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"15791","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"siemens","cpe5":"simatic_s7-300_cpu_315-2_dp_firmware","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"15791","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"siemens","cpe5":"simatic_s7-300_cpu_315-2_pn","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"15791","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"siemens","cpe5":"simatic_s7-300_cpu_315-2_pn","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"15791","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"siemens","cpe5":"simatic_s7-300_cpu_315-2_pn_firmware","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"15791","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"siemens","cpe5":"simatic_s7-300_cpu_315-2_pn_firmware","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"15791","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"siemens","cpe5":"simatic_s7-300_cpu_315f-2_dp","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"15791","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"siemens","cpe5":"simatic_s7-300_cpu_315f-2_dp","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"15791","vulnerable":"1","versionEndIncluding":""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S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants)","version":{"version_data":[{"version_value":"All versions"}]}},{"product_name":"SIMATIC S7-400 CPU family (incl. SIPLUS variants)","version":{"version_data":[{"version_value":"All versions"}]}},{"product_name":"SIMATIC WinAC RTX (F) 2010","version":{"version_data":[{"version_value":"All versions"}]}},{"product_name":"SINUMERIK 840D sl","version":{"version_data":[{"version_value":"All versions"}]}}]}}]}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-522: Insufficiently Protected Credentials"}]}]},"description":{"description_data":[{"lang":"eng","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."}]},"references":{"reference_data":[{"refsource":"MISC","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-381684.pdf","name":"https://cert-portal.siemens.com/productcert/pdf/ssa-381684.pdf"}]}},"nvd":{"publishedDate":"2020-09-09 19:15:00","lastModifiedDate":"2020-12-14 22:15:00","problem_types":["CWE-522"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.8,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:A/AC:L/Au:N/C:P/I:N/A:N","accessVector":"ADJACENT_NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":3.3},"severity":"LOW","exploitabilityScore":6.5,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:siemens:simatic_s7-300_cpu_312_firmware:*:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:siemens:simatic_s7-300_cpu_312:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]},{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:siemens:simatic_s7-300_cpu_314_firmware:*:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:siemens:simatic_s7-300_cpu_314:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]},{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:siemens:simatic_s7-300_cpu_315-2_dp_firmware:*:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:siemens:simatic_s7-300_cpu_315-2_dp:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]},{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:siemens:simatic_s7-300_cpu_315-2_pn_firmware:*:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:siemens:simatic_s7-300_cpu_315-2_pn:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]},{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:siemens:simatic_s7-300_cpu_317-2_pn_firmware:*:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:siemens:simatic_s7-300_cpu_317-2_pn:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]},{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:siemens:simatic_s7-300_cpu_317-2_dp_firmware:*:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:siemens:simatic_s7-300_cpu_317-2_dp:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]},{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:siemens:simatic_s7-300_cpu_315f-2_dp_firmware:*:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:siemens:simatic_s7-300_cpu_315f-2_dp:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]},{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:siemens:simatic_s7-300_cpu_315f-2_pn_firmware:*:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:siemens:simatic_s7-300_cpu_315f-2_pn:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]},{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:siemens:simatic_s7-300_cpu_317f-2_pn_firmware:*:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:siemens:simatic_s7-300_cpu_317f-2_pn:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]},{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:siemens:simatic_s7-300_cpu_317f-2_dp_firmware:*:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:siemens:simatic_s7-300_cpu_317f-2_dp:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]},{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:siemens:simatic_s7-400_cpu_412_firmware:*:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:siemens:simatic_s7-400_cpu_412:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]},{"oper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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.","Type":"Description","Title":null},{"CveYear":"2020","CveId":"15791","Ordinal":"2","NoteData":"2020-09-09","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"15791","Ordinal":"3","NoteData":"2020-12-14","Type":"Other","Title":"Modified"}]}}}