{"id":"CVE-2011-20002","aliases":["EUVD-2011-5261","GHSA-3p9h-r6fg-7r7h"],"status":"published","title":"A vulnerability has been identified in SIMATIC S7-1200 CPU V1 family (incl. SIPLUS variants) (All...","description":"A vulnerability has been identified in SIMATIC S7-1200 CPU V1 family (incl. SIPLUS variants) (All versions \u003c V2.0.2), SIMATIC S7-1200 CPU V2 family (incl. SIPLUS variants) (All versions \u003c V2.0.2). Affected controllers are vulnerable to capture-replay in the communication with the engineering software. This could allow an on-path attacker between the engineering software and the controller to execute any previously recorded commands at a later time (e.g. set the controller to STOP), regardless whether or not the controller had a password configured.","severity":{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00306,"percentile":0.23681,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-294"],"published":"2025-10-14T09:14:55Z","modified":"2026-06-16T23:30:34Z","products":[{"vendor":"siemens","product":"simatic s7-1200 cpu v1 family (incl. siplus variants)"},{"vendor":"siemens","product":"simatic s7-1200 cpu v2 family (incl. siplus variants)"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-625789.html"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-20002"},{"url":"https://github.com/advisories/GHSA-3p9h-r6fg-7r7h"}],"sources":{"cve":[{"id":"CVE-2011-20002","description":"A vulnerability has been identified in SIMATIC S7-1200 CPU V1 family (incl. SIPLUS variants) (All versions \u003c V2.0.2), SIMATIC S7-1200 CPU V2 family (incl. SIPLUS variants) (All versions \u003c V2.0.2). Affected controllers are vulnerable to capture-replay in the communication with the engineering software. This could allow an on-path attacker between the engineering software and the controller to execute any previously recorded commands at a later time (e.g. set the controller to STOP), regardless whether or not the controller had a password configured.","status":"published","published":"2025-10-14T09:14:55.159Z","modified":"2025-10-14T18:58:30.327Z","cvss":[{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-294"],"updated_at":"2026-11-02T14:35:35.912488Z"}],"euvd":[{"id":"EUVD-2011-5261","description":"A vulnerability has been identified in SIMATIC S7-1200 CPU V1 family (incl. SIPLUS variants) (All versions \u003c V2.0.2), SIMATIC S7-1200 CPU V2 family (incl. SIPLUS variants) (All versions \u003c V2.0.2). Affected controllers are vulnerable to capture-replay in the communication with the engineering software. This could allow an on-path attacker between the engineering software and the controller to execute any previously recorded commands at a later time (e.g. set the controller to STOP), regardless whether or not the controller had a password configured.","status":"published","published":"2025-10-14T09:14:55Z","modified":"2025-10-14T18:58:30Z","cvss":[{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T20:31:32.493073Z"}],"ghsa":[{"id":"GHSA-3p9h-r6fg-7r7h","title":"A vulnerability has been identified in SIMATIC S7-1200 CPU V1 family (incl. SIPLUS variants) (All...","description":"A vulnerability has been identified in SIMATIC S7-1200 CPU V1 family (incl. SIPLUS variants) (All versions \u003c V2.0.2), SIMATIC S7-1200 CPU V2 family (incl. SIPLUS variants) (All versions \u003c V2.0.2). Affected controllers are vulnerable to capture-replay in the communication with the engineering software. This could allow an on-path attacker between the engineering software and the controller to execute any previously recorded commands at a later time (e.g. set the controller to STOP), regardless whether or not the controller had a password configured.","status":"published","published":"2025-10-14T12:31:30Z","modified":"2025-10-14T12:31:37Z","cvss":[{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"cwes":["CWE-294"],"updated_at":"2026-11-02T15:03:57.454768Z"}],"nvd":[{"id":"CVE-2011-20002","description":"A vulnerability has been identified in SIMATIC S7-1200 CPU V1 family (incl. SIPLUS variants) (All versions \u003c V2.0.2), SIMATIC S7-1200 CPU V2 family (incl. SIPLUS variants) (All versions \u003c V2.0.2). Affected controllers are vulnerable to capture-replay in the communication with the engineering software. This could allow an on-path attacker between the engineering software and the controller to execute any previously recorded commands at a later time (e.g. set the controller to STOP), regardless whether or not the controller had a password configured.","status":"published","published":"2025-10-14T10:15:33.633Z","modified":"2026-06-16T23:30:34.7Z","cvss":[{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-294"],"updated_at":"2026-11-02T14:02:12.945371Z"}]}}