{"id":"CVE-2019-18336","state":"PUBLISHED","title":"A vulnerability has been identified in SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions < V3.X.17), SIMATIC TDC CP51M1 (All versions < V1.1.8)","description":"A vulnerability has been identified in SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions < V3.X.17), SIMATIC TDC CP51M1 (All versions < V1.1.8), SIMATIC TDC CPU555 (All versions < V1.1.1), SINUMERIK 840D sl (All versions < V4.8.6), SINUMERIK 840D sl (All versions < V4.94). Specially crafted packets sent to port 102/tcp (Profinet) could cause the affected device to go into defect mode. A restart is required in order to recover the system. Successful exploitation requires an attacker to have network access to port 102/tcp, with no authentication. No user interation is required. At the time of advisory publication no public exploitation of this security vulnerability was known.","publishedAt":"2020-03-10T19:16:17.000Z","updatedAt":"2026-06-02T18:36:21.590Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"siemens","products":["Siemens AG SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants)","Siemens AG SIMATIC TDC CP51M1","Siemens AG SIMATIC TDC CPU555","Siemens AG SINUMERIK 840D sl"],"affected":[{"vendor":"Siemens AG","product":"SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants)","versions":[{"version":"All versions < V3.X.17","status":"affected"}]},{"vendor":"Siemens AG","product":"SIMATIC TDC CP51M1","versions":[{"version":"All versions < V1.1.8","status":"affected"}]},{"vendor":"Siemens AG","product":"SIMATIC TDC CPU555","versions":[{"version":"All versions < V1.1.1","status":"affected"}]},{"vendor":"Siemens AG","product":"SINUMERIK 840D sl","versions":[{"version":"All versions < V4.8.6","status":"affected"}]},{"vendor":"Siemens AG","product":"SINUMERIK 840D sl","versions":[{"version":"All versions < V4.94","status":"affected"}]}],"references":["https://cert-portal.siemens.com/productcert/pdf/ssa-508982.pdf"],"weaknesses":["CWE-400"],"ingestedAt":"2026-10-29T19:45:41.458Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2019/18xxx/CVE-2019-18336.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2019-18336","state":"PUBLISHED","datePublished":"2020-03-10T19:16:17.000Z","dateUpdated":"2026-06-02T18:36:21.590Z","assignerShortName":"siemens","assignerOrgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","dateReserved":"2019-10-23T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A vulnerability has been identified in SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions < V3.X.17), SIMATIC TDC CP51M1 (All versions < V1.1.8), SIMATIC TDC CPU555 (All versions < V1.1.1), SINUMERIK 840D sl (All versions < V4.8.6), SINUMERIK 840D sl (All versions < V4.94). Specially crafted packets sent to port 102/tcp (Profinet) could cause the affected device to go into defect mode. A restart is required in order to recover the system. Successful exploitation requires an attacker to have network access to port 102/tcp, with no authentication. No user interation is required. At the time of advisory publication no public exploitation of this security vulnerability was known."}],"affected":[{"vendor":"Siemens AG","product":"SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants)","versions":[{"version":"All versions < V3.X.17","status":"affected"}]},{"vendor":"Siemens AG","product":"SIMATIC TDC CP51M1","versions":[{"version":"All versions < V1.1.8","status":"affected"}]},{"vendor":"Siemens AG","product":"SIMATIC TDC CPU555","versions":[{"version":"All versions < V1.1.1","status":"affected"}]},{"vendor":"Siemens AG","product":"SINUMERIK 840D sl","versions":[{"version":"All versions < V4.8.6","status":"affected"}]},{"vendor":"Siemens AG","product":"SINUMERIK 840D sl","versions":[{"version":"All versions < V4.94","status":"affected"}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-508982.pdf","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-400","description":"CWE-400: Uncontrolled Resource Consumption","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"siemens","dateUpdated":"2020-07-14T13:18:04.000Z","orgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"productcert@siemens.com","ID":"CVE-2019-18336","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 < V3.X.17"}]}},{"product_name":"SIMATIC TDC CP51M1","version":{"version_data":[{"version_value":"All versions < V1.1.8"}]}},{"product_name":"SIMATIC TDC CPU555","version":{"version_data":[{"version_value":"All versions < V1.1.1"}]}},{"product_name":"SINUMERIK 840D sl","version":{"version_data":[{"version_value":"All versions < V4.8.6"}]}},{"product_name":"SINUMERIK 840D sl","version":{"version_data":[{"version_value":"All versions < V4.94"}]}}]},"vendor_name":"Siemens AG"}]}},"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 < V3.X.17), SIMATIC TDC CP51M1 (All versions < V1.1.8), SIMATIC TDC CPU555 (All versions < V1.1.1), SINUMERIK 840D sl (All versions < V4.8.6), SINUMERIK 840D sl (All versions < V4.94). Specially crafted packets sent to port 102/tcp (Profinet) could cause the affected device to go into defect mode. A restart is required in order to recover the system. Successful exploitation requires an attacker to have network access to port 102/tcp, with no authentication. No user interation is required. At the time of advisory publication no public exploitation of this security vulnerability was known."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-400: Uncontrolled Resource Consumption"}]}]},"references":{"reference_data":[{"name":"https://cert-portal.siemens.com/productcert/pdf/ssa-508982.pdf","refsource":"MISC","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-508982.pdf"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-508982.pdf","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-05T01:54:14.382Z"}},{"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":{"timestamp":"2026-06-02T18:35:38.583256Z","id":"CVE-2019-18336","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-02T18:36:21.590Z"}}]}}}