{"id":"CVE-2022-38465","aliases":["EUVD-2022-41048","GHSA-45px-m6q7-hv4p"],"status":"published","title":"A vulnerability has been identified in SIMATIC Drive Controller family (All versions \u003c V2.9.2),...","description":"A vulnerability has been identified in SIMATIC Drive Controller family (All versions \u003c V2.9.2), 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 \u003c V21.9), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions \u003c V4.5.0), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions \u003c V2.9.2), SIMATIC S7-1500 Software Controller (All versions \u003c V21.9), SIMATIC S7-PLCSIM Advanced (All versions \u003c V4.0), SINUMERIK MC (All versions \u003c V6.21), SINUMERIK ONE (All versions \u003c V6.21). Affected products  protect the built-in global private key in a way that cannot be considered sufficient any longer. The key is used for the legacy protection of confidential configuration data and the legacy PG/PC and HMI communication.\r\n\r\nThis could allow attackers to discover the private key of a CPU product family by an offline attack against a single CPU of the family. Attackers could then use this knowledge to extract confidential configuration data from projects that are protected by that key or to perform attacks against legacy PG/PC and HMI communication.","severity":{"version":"3.1","score":9.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00241,"percentile":0.15352,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-522"],"published":"2022-10-11T00:00:00Z","modified":"2026-06-17T04:56:40Z","products":[{"vendor":"siemens","product":"simatic drive controller family"},{"vendor":"siemens","product":"simatic et 200sp open controller cpu 1515sp pc (incl. siplus variants)"},{"vendor":"siemens","product":"simatic et 200sp open controller cpu 1515sp pc2 (incl. siplus variants)"},{"vendor":"siemens","product":"simatic s7-1200 cpu family (incl. siplus variants)"},{"vendor":"siemens","product":"simatic s7-1500 cpu family (incl. related et200 cpus and siplus variants)"},{"vendor":"siemens","product":"simatic s7-1500 software controller"},{"vendor":"siemens","product":"simatic s7-plcsim advanced"},{"vendor":"siemens","product":"simatic_drive_controller_cpu_1504d_tf_firmware"},{"vendor":"siemens","product":"simatic_drive_controller_cpu_1507d_tf_firmware"},{"vendor":"siemens","product":"simatic_et_200_sp_open_controller_cpu_1515sp_pc2_firmware"},{"vendor":"siemens","product":"simatic_et_200_sp_open_controller_cpu_1515sp_pc_firmware"},{"vendor":"siemens","product":"simatic_s7-1200_cpu_12_1211c_firmware"},{"vendor":"siemens","product":"simatic_s7-1200_cpu_12_1212c_firmware"},{"vendor":"siemens","product":"simatic_s7-1200_cpu_12_1212fc_firmware"},{"vendor":"siemens","product":"simatic_s7-1200_cpu_12_1214c_firmware"},{"vendor":"siemens","product":"simatic_s7-1200_cpu_12_1214fc_firmware"},{"vendor":"siemens","product":"simatic_s7-1200_cpu_12_1215c_firmware"},{"vendor":"siemens","product":"simatic_s7-1200_cpu_12_1215fc_firmware"},{"vendor":"siemens","product":"simatic_s7-1200_cpu_12_1217c_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_cpu_1510sp-1_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_cpu_1510sp_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_cpu_1511-1_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_cpu_1511t-1_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_cpu_1511tf-1_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_cpu_1512c-1_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_cpu_1512sp-1_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_cpu_1512spf-1_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_cpu_1513-1_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_cpu_1513f-1_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_cpu_1513r-1_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_cpu_1515-2_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_cpu_151511c-1_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_cpu_151511f-1_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_cpu_1515f-2_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_cpu_1515r-2_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_cpu_1515t-2_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_cpu_1516-3_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_cpu_1516f-3_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_cpu_1516pro_f_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_cpu_1516t-3_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_cpu_1516tf-3_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_cpu_1517-3_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_cpu_1517f-3_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_cpu_1518-4_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_cpu_1518f-4_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_cpu_1518hf-4_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_cpu_1518t-4_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_cpu_1518tf-4_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_cpu_15pro-2_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_cpu_15prof-2_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_software_controller"},{"vendor":"siemens","product":"simatic_s7-plcsim_advanced_firmware"},{"vendor":"siemens","product":"sinumerik mc"},{"vendor":"siemens","product":"sinumerik one"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-568427.pdf","tags":["x_transferred","Vendor Advisory"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-568428.pdf","tags":["x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-38465"},{"url":"https://github.com/advisories/GHSA-45px-m6q7-hv4p"}],"sources":{"cve":[{"id":"CVE-2022-38465","description":"A vulnerability has been identified in SIMATIC Drive Controller family (All versions \u003c V2.9.2), 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 \u003c V21.9), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions \u003c V4.5.0), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions \u003c V2.9.2), SIMATIC S7-1500 Software Controller (All versions \u003c V21.9), SIMATIC S7-PLCSIM Advanced (All versions \u003c V4.0), SINUMERIK MC (All versions \u003c V6.21), SINUMERIK ONE (All versions \u003c V6.21). Affected products  protect the built-in global private key in a way that cannot be considered sufficient any longer. The key is used for the legacy protection of confidential configuration data and the legacy PG/PC and HMI communication.\r\n\r\nThis could allow attackers to discover the private key of a CPU product family by an offline attack against a single CPU of the family. Attackers could then use this knowledge to extract confidential configuration data from projects that are protected by that key or to perform attacks against legacy PG/PC and HMI communication.","status":"published","published":"2022-10-11T00:00:00Z","modified":"2025-04-21T13:48:21.222Z","cvss":[{"version":"3.1","score":9.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"critical","assessor":"cna"}],"cwes":["CWE-522"],"updated_at":"2026-11-02T14:34:37.272373Z"}],"euvd":[{"id":"EUVD-2022-41048","description":"A vulnerability has been identified in SIMATIC Drive Controller family (All versions \u003c V2.9.2), 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 \u003c V21.9), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions \u003c V4.5.0), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions \u003c V2.9.2), SIMATIC S7-1500 Software Controller (All versions \u003c V21.9), SIMATIC S7-PLCSIM Advanced (All versions \u003c V4.0), SINUMERIK MC (All versions \u003c V6.21), SINUMERIK ONE (All versions \u003c V6.21). Affected products  protect the built-in global private key in a way that cannot be considered sufficient any longer. The key is used for the legacy protection of confidential configuration data and the legacy PG/PC and HMI communication.\r\n\r\nThis could allow attackers to discover the private key of a CPU product family by an offline attack against a single CPU of the family. Attackers could then use this knowledge to extract confidential configuration data from projects that are protected by that key or to perform attacks against legacy PG/PC and HMI communication.","status":"published","published":"2022-10-11T00:00:00Z","modified":"2025-04-21T13:48:21Z","cvss":[{"version":"3.1","score":9.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"critical"}],"updated_at":"2026-11-02T20:52:19.235376Z"}],"ghsa":[{"id":"GHSA-45px-m6q7-hv4p","title":"A vulnerability has been identified in SIMATIC Drive Controller family (All versions \u003c V2.9.2),...","description":"A vulnerability has been identified in SIMATIC Drive Controller family (All versions \u003c V2.9.2), 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 \u003c V21.9), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions \u003c V4.5.0), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions \u003c V2.9.2), SIMATIC S7-1500 Software Controller (All versions \u003c V21.9), SIMATIC S7-PLCSIM Advanced (All versions \u003c V4.0). Affected products protect the built-in global private key in a way that cannot be considered sufficient any longer. The key is used for the legacy protection of confidential configuration data and the legacy PG/PC and HMI communication. This could allow attackers to discover the private key of a CPU product family by an offline attack against a single CPU of the family. Attackers could then use this knowledge to extract confidential configuration data from projects that are protected by that key or to perform attacks against legacy PG/PC and HMI communication.","status":"published","published":"2022-10-11T12:00:44Z","modified":"2023-01-29T05:06:18Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-522"],"updated_at":"2026-11-02T14:45:59.496932Z"}],"nvd":[{"id":"CVE-2022-38465","description":"A vulnerability has been identified in SIMATIC Drive Controller family (All versions \u003c V2.9.2), 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 \u003c V21.9), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions \u003c V4.5.0), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions \u003c V2.9.2), SIMATIC S7-1500 Software Controller (All versions \u003c V21.9), SIMATIC S7-PLCSIM Advanced (All versions \u003c V4.0), SINUMERIK MC (All versions \u003c V6.21), SINUMERIK ONE (All versions \u003c V6.21). Affected products  protect the built-in global private key in a way that cannot be considered sufficient any longer. The key is used for the legacy protection of confidential configuration data and the legacy PG/PC and HMI communication.\r\n\r\nThis could allow attackers to discover the private key of a CPU product family by an offline attack against a single CPU of the family. Attackers could then use this knowledge to extract confidential configuration data from projects that are protected by that key or to perform attacks against legacy PG/PC and HMI communication.","status":"published","published":"2022-10-11T11:15:10.357Z","modified":"2026-06-17T04:56:40.753Z","cvss":[{"version":"3.1","score":9.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-522"],"updated_at":"2026-11-02T14:07:29.026521Z"}]}}