{"id":"CVE-2016-9158","aliases":["EUVD-2016-9975","GHSA-pmf4-x4c5-385f"],"status":"published","title":"A vulnerability has been identified in SIMATIC S7-300 CPU family (All versions), SIMATIC S7-300...","description":"A vulnerability has been identified in SIMATIC S7-300 CPU family (All versions), SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 V6 and earlier CPU family (All versions), SIMATIC S7-400 V7 CPU family (All versions). Specially crafted packets sent to port 80/tcp could cause the affected devices to go into defect mode. A cold restart is required to recover the system.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03086,"percentile":0.87788,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2016-12-17T03:34:00Z","modified":"2026-06-17T00:55:36Z","products":[{"vendor":"siemens","product":"simatic s7-300 cpu family (incl. related et200 cpus and siplus variants)"},{"vendor":"siemens","product":"simatic s7-400 pn/dp v6 and below cpu family (incl. siplus variants)"},{"vendor":"siemens","product":"simatic s7-400 pn/dp v7 cpu family (incl. siplus variants)"},{"vendor":"siemens","product":"simatic_s7-300_cpu_firmware"},{"vendor":"siemens","product":"simatic_s7-400_cpu_firmware"},{"vendor":"siemens ag","product":"simatic s7-300 cpu family"},{"vendor":"siemens ag","product":"simatic s7-300 cpu family (incl. related et200 cpus and siplus variants)"},{"vendor":"siemens ag","product":"simatic s7-400 pn/dp v6 and below cpu family (incl. siplus variants)"},{"vendor":"siemens ag","product":"simatic s7-400 pn/dp v7 cpu family (incl. siplus variants)"},{"vendor":"siemens ag","product":"simatic s7-400 v6 and earlier cpu family"},{"vendor":"siemens ag","product":"simatic s7-400 v7 cpu family"}],"references":[{"url":"http://www.securityfocus.com/bid/94820","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.securitytracker.com/id/1037434","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-16-348-05","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-731239.pdf","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-731239.pdf","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-9158"},{"url":"https://github.com/advisories/GHSA-pmf4-x4c5-385f"}],"sources":{"cve":[{"id":"CVE-2016-9158","description":"A vulnerability has been identified in SIMATIC S7-300 CPU family (All versions), SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 V6 and earlier CPU family (All versions), SIMATIC S7-400 V7 CPU family (All versions). Specially crafted packets sent to port 80/tcp could cause the affected devices to go into defect mode. A cold restart is required to recover the system.","status":"published","published":"2016-12-17T03:34:00Z","modified":"2026-06-02T18:33:29.63Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:33:31.764001Z"}],"euvd":[{"id":"EUVD-2016-9975","description":"A vulnerability has been identified in SIMATIC S7-300 CPU family (All versions), SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 V6 and earlier CPU family (All versions), SIMATIC S7-400 V7 CPU family (All versions). Specially crafted packets sent to port 80/tcp could cause the affected devices to go into defect mode. A cold restart is required to recover the system.","status":"published","published":"2016-12-17T03:34:00Z","modified":"2026-06-02T18:33:29Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T18:20:55.651138Z"}],"ghsa":[{"id":"GHSA-pmf4-x4c5-385f","title":"A vulnerability has been identified in SIMATIC S7-300 CPU family (All versions), SIMATIC S7-300...","description":"A vulnerability has been identified in SIMATIC S7-300 CPU family (All versions), SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 V6 and earlier CPU family (All versions), SIMATIC S7-400 V7 CPU family (All versions). Specially crafted packets sent to port 80/tcp could cause the affected devices to go into defect mode. A cold restart is required to recover the system.","status":"published","published":"2022-05-13T01:27:59Z","modified":"2023-02-01T05:07:56Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:50:38.356016Z"}],"nvd":[{"id":"CVE-2016-9158","description":"A vulnerability has been identified in SIMATIC S7-300 CPU family (All versions), SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 V6 and earlier CPU family (All versions), SIMATIC S7-400 V7 CPU family (All versions). Specially crafted packets sent to port 80/tcp could cause the affected devices to go into defect mode. A cold restart is required to recover the system.","status":"published","published":"2016-12-17T03:59:00.187Z","modified":"2026-06-17T00:55:36.433Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"},{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:03:32.79141Z"}]}}