{"containers":{"cna":{"providerMetadata":{"orgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","shortName":"siemens","dateUpdated":"2023-04-11T09:01:54.435Z"},"descriptions":[{"lang":"en","value":"A vulnerability has been identified in SIMATIC Drive Controller family (All versions < V2.9.2), SIMATIC Drive Controller family (All versions >= V2.9.2 < V2.9.4), SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants) (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions < V21.9), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions >= V21.9 < V21.9.4), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 Ready4Linux (All versions), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions < V4.5.0), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions >= V4.5.0 < V4.5.2), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions < V2.9.2), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions >= V2.9.2 < V2.9.4), SIMATIC S7-1500 Software Controller (All versions < V21.9), SIMATIC S7-1500 Software Controller (All versions >= V21.9 < V21.9.4), SIMATIC S7-PLCSIM Advanced (All versions < V4.0), SIMATIC S7-PLCSIM Advanced (All versions >= V4.0 < V4.0 SP1), SIPLUS TIM 1531 IRC (All versions < V2.3.6), TIM 1531 IRC (All versions < V2.3.6). An unauthenticated attacker could cause a denial-of-service condition in a PLC when sending specially prepared packet over port 102/tcp. A restart of the affected device is needed to restore normal operations."}],"affected":[{"vendor":"Siemens","product":"SIMATIC Drive Controller family","versions":[{"version":"All versions < V2.9.2","status":"affected"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC Drive Controller family","versions":[{"version":"All versions >= V2.9.2 < V2.9.4","status":"affected"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants)","versions":[{"version":"All versions","status":"affected"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants)","versions":[{"version":"All versions < V21.9","status":"affected"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants)","versions":[{"version":"All versions >= V21.9 < V21.9.4","status":"affected"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC ET 200SP Open Controller CPU 1515SP PC2 Ready4Linux","versions":[{"version":"All versions","status":"affected"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC S7-1200 CPU family (incl. SIPLUS variants)","versions":[{"version":"All versions < V4.5.0","status":"affected"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC S7-1200 CPU family (incl. SIPLUS variants)","versions":[{"version":"All versions >= V4.5.0 < V4.5.2","status":"affected"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants)","versions":[{"version":"All versions < V2.9.2","status":"affected"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants)","versions":[{"version":"All versions >= V2.9.2 < V2.9.4","status":"affected"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC S7-1500 Software Controller","versions":[{"version":"All versions < V21.9","status":"affected"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC S7-1500 Software Controller","versions":[{"version":"All versions >= V21.9 < V21.9.4","status":"affected"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC S7-PLCSIM Advanced","versions":[{"version":"All versions < V4.0","status":"affected"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC S7-PLCSIM Advanced","versions":[{"version":"All versions >= V4.0 < V4.0 SP1","status":"affected"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIPLUS TIM 1531 IRC","versions":[{"version":"All versions < V2.3.6","status":"affected"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"TIM 1531 IRC","versions":[{"version":"All versions < V2.3.6","status":"affected"}],"defaultStatus":"unknown"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C","baseScore":7.5,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-672","description":"CWE-672: Operation on a Resource after Expiration or Release","type":"CWE"}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-838121.pdf"}]},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T01:16:03.812Z"},"title":"CVE Program Container","references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-838121.pdf","tags":["x_transferred"]}]},{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-04-18T15:12:37.070496Z","id":"CVE-2021-37204","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":"2025-04-18T18:33:01.575Z"}}]},"cveMetadata":{"assignerOrgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","assignerShortName":"siemens","cveId":"CVE-2021-37204","datePublished":"2022-02-09T15:16:56.000Z","dateReserved":"2021-07-21T00:00:00.000Z","dateUpdated":"2025-04-18T18:33:01.575Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}