{"containers": {"cna": {"affected": [{"product": "SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants)", "vendor": "Siemens", "versions": [{"status": "affected", "version": "All versions"}]}, {"product": "SIMATIC TDC CPU555", "vendor": "Siemens", "versions": [{"status": "affected", "version": "All versions"}]}, {"product": "SINUMERIK 840D sl", "vendor": "Siemens", "versions": [{"status": "affected", "version": "All versions"}]}], "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 TDC CPU555 (All versions), SINUMERIK 840D sl (All versions). Sending multiple specially crafted packets to the affected devices could cause a Denial-of-Service on port 102. A cold restart is required to recover the service."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "description": "CWE-400: Uncontrolled Resource Consumption", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-08-10T11:16:39.000Z", "orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77", "shortName": "siemens"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-492828.pdf"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "productcert@siemens.com", "ID": "CVE-2020-15783", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants)", "version": {"version_data": [{"version_value": "All versions"}]}}, {"product_name": "SIMATIC TDC CPU555", "version": {"version_data": [{"version_value": "All versions"}]}}, {"product_name": "SINUMERIK 840D sl", "version": {"version_data": [{"version_value": "All versions"}]}}]}, "vendor_name": "Siemens"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "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 TDC CPU555 (All versions), SINUMERIK 840D sl (All versions). Sending multiple specially crafted packets to the affected devices could cause a Denial-of-Service on port 102. A cold restart is required to recover the service."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-400: Uncontrolled Resource Consumption"}]}]}, "references": {"reference_data": [{"name": "https://cert-portal.siemens.com/productcert/pdf/ssa-492828.pdf", "refsource": "MISC", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-492828.pdf"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T13:22:30.725Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-492828.pdf"}]}, {"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-06-02T18:37:15.928440Z", "id": "CVE-2020-15783", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-02T18:37:28.538Z"}}]}, "cveMetadata": {"assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77", "assignerShortName": "siemens", "cveId": "CVE-2020-15783", "datePublished": "2020-11-12T19:21:09.000Z", "dateReserved": "2020-07-15T00:00:00.000Z", "dateUpdated": "2026-06-02T18:37:28.538Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.2"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-492828.pdf", "tags": ["x_refsource_MISC", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T13:22:30.725Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2020-15783", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-02T18:37:15.928440Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-02T18:37:11.083Z"}}], "cna": {"affected": [{"vendor": "Siemens", "product": "SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants)", "versions": [{"status": "affected", "version": "All versions"}]}, {"vendor": "Siemens", "product": "SIMATIC TDC CPU555", "versions": [{"status": "affected", "version": "All versions"}]}, {"vendor": "Siemens", "product": "SINUMERIK 840D sl", "versions": [{"status": "affected", "version": "All versions"}]}], "references": [{"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-492828.pdf", "tags": ["x_refsource_MISC"]}], "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 TDC CPU555 (All versions), SINUMERIK 840D sl (All versions). Sending multiple specially crafted packets to the affected devices could cause a Denial-of-Service on port 102. A cold restart is required to recover the service."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-400", "description": "CWE-400: Uncontrolled Resource Consumption"}]}], "providerMetadata": {"orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77", "shortName": "siemens", "dateUpdated": "2022-08-10T11:16:39.000Z"}, "x_legacyV4Record": {"affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"version": {"version_data": [{"version_value": "All versions"}]}, "product_name": "SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants)"}, {"version": {"version_data": [{"version_value": "All versions"}]}, "product_name": "SIMATIC TDC CPU555"}, {"version": {"version_data": [{"version_value": "All versions"}]}, "product_name": "SINUMERIK 840D sl"}]}, "vendor_name": "Siemens"}]}}, "data_type": "CVE", "references": {"reference_data": [{"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-492828.pdf", "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-492828.pdf", "refsource": "MISC"}]}, "data_format": "MITRE", "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 TDC CPU555 (All versions), SINUMERIK 840D sl (All versions). Sending multiple specially crafted packets to the affected devices could cause a Denial-of-Service on port 102. A cold restart is required to recover the service."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-400: Uncontrolled Resource Consumption"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2020-15783", "STATE": "PUBLIC", "ASSIGNER": "productcert@siemens.com"}}}}, "cveMetadata": {"cveId": "CVE-2020-15783", "state": "PUBLISHED", "dateUpdated": "2026-06-02T18:37:28.538Z", "dateReserved": "2020-07-15T00:00:00.000Z", "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77", "datePublished": "2020-11-12T19:21:09.000Z", "assignerShortName": "siemens"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:sinumerik_840d_sl_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "07F5B314-ED39-4B8C-BF45-010BC1AB2F6C", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:sinumerik_840d_sl:-:*:*:*:*:*:*:*", "matchCriteriaId": "765286DF-07EC-4C7A-AB8C-09559CD977EA", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_s7-300_cpu_312_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "F6EF8A28-8B05-46C2-911F-37AE46E04743", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_s7-300_cpu_312:-:*:*:*:*:*:*:*", "matchCriteriaId": "4FB328F8-3E03-440B-AB5C-ADA1D4F07F0E", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_s7-300_cpu_314_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "BDD1105D-F909-4383-8490-66891609FDC7", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_s7-300_cpu_314:-:*:*:*:*:*:*:*", "matchCriteriaId": "78399465-EED5-4EBD-A2E1-6FE0BD01EDB4", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_s7-300_cpu_315-2_dp_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "07DC9E02-9B48-496E-8656-68CFFD399F1B", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_s7-300_cpu_315-2_dp:-:*:*:*:*:*:*:*", "matchCriteriaId": "E8FD8E6D-0527-4215-B6F0-5824011433FB", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_s7-300_cpu_315-2_pn_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "FEC66966-6794-4A83-A425-4BC8911392B8", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_s7-300_cpu_315-2_pn:-:*:*:*:*:*:*:*", "matchCriteriaId": "1F007420-6EF7-4ECF-9CBE-BABF39B3EE3F", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_s7-300_cpu_317-2_pn_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "581B9FCA-43EC-4BF3-B836-BBD9635EA8C9", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_s7-300_cpu_317-2_pn:-:*:*:*:*:*:*:*", "matchCriteriaId": "40F856D9-7954-4EE1-B5DA-18DFE21069AE", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_s7-300_cpu_317-2_dp_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "F0B56C44-3148-4612-9543-9F96DF0142A6", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_s7-300_cpu_317-2_dp:-:*:*:*:*:*:*:*", "matchCriteriaId": "7593F136-F558-4C3D-8429-5141A621981B", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_s7-300_cpu_315f-2_dp_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "4D67C040-2D94-4872-98F9-B4B08290DD03", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_s7-300_cpu_315f-2_dp:-:*:*:*:*:*:*:*", "matchCriteriaId": "BD7AE84F-1476-4E2C-9E2B-0EDAEFE9EDA7", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_s7-300_cpu_315f-2_pn_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "694D542E-3E4F-4B6B-BD87-11EDD6C60527", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_s7-300_cpu_315f-2_pn:-:*:*:*:*:*:*:*", "matchCriteriaId": "50798314-D77E-48C9-B608-0F7A72C88138", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_s7-300_cpu_317f-2_pn_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "CD47DCD2-068E-43E0-AEF8-71E9941FA816", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_s7-300_cpu_317f-2_pn:-:*:*:*:*:*:*:*", "matchCriteriaId": "2713CAFF-4B49-48DF-A475-02D280927113", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_s7-300_cpu_317f-2_dp_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "C7F1F77B-37E4-4929-BA60-C631067BE843", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_s7-300_cpu_317f-2_dp:-:*:*:*:*:*:*:*", "matchCriteriaId": "B30FDCBC-62BC-43AC-BC92-A44D79525215", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_tdc_cpu555_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "2D9C7D4A-F989-4B01-8FFD-5B5859F42D43", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_tdc_cpu555:-:*:*:*:*:*:*:*", "matchCriteriaId": "AE6AB995-D67B-43E5-B8FF-97C38D20CB10", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "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 TDC CPU555 (All versions), SINUMERIK 840D sl (All versions). Sending multiple specially crafted packets to the affected devices could cause a Denial-of-Service on port 102. A cold restart is required to recover the service."}, {"lang": "es", "value": "Se ha identificado una vulnerabilidad en la familia de CPUs SIMATIC S7-300 (incluidas las CPUs ET200 relacionadas y las variantes SIPLUS) (Todas las versiones), SIMATIC TDC CPU555 (Todas las versiones), SINUMERIK 840D sl (Todas las versiones). El env\u00edo de m\u00faltiples paquetes especialmente dise\u00f1ados a los dispositivos afectados podr\u00eda causar una denegaci\u00f3n de servicio en el puerto 102. Se requiere un reinicio en fr\u00edo para recuperar el servicio"}], "id": "CVE-2020-15783", "lastModified": "2026-06-02T20:16:24.590", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "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": "nvd@nist.gov", "type": "Primary"}, {"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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2020-11-12T20:15:16.343", "references": [{"source": "productcert@siemens.com", "tags": ["Mitigation", "Vendor Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-492828.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mitigation", "Vendor Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-492828.pdf"}], "sourceIdentifier": "productcert@siemens.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "productcert@siemens.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-400"}], "source": "nvd@nist.gov", "type": "Secondary"}]}

{}

{}