{"id":"CVE-2016-4784","aliases":["EUVD-2016-5769","GHSA-388g-95vj-q36x"],"status":"published","title":"A vulnerability has been identified in firmware variant PROFINET IO for EN100 Ethernet module :...","description":"A vulnerability has been identified in firmware variant PROFINET IO for EN100 Ethernet module : All versions \u003c V1.04.01; Firmware variant Modbus TCP for EN100 Ethernet module : All versions \u003c V1.11.00; Firmware variant DNP3 TCP for EN100 Ethernet module : All versions \u003c V1.03; Firmware variant IEC 104 for EN100 Ethernet module : All versions \u003c V1.21; EN100 Ethernet module included in SIPROTEC Merging Unit 6MU80 : All versions \u003c 1.02.02; SIPROTEC 7SJ686 : All versions \u003c V 4.83; SIPROTEC 7UT686 : All versions \u003c V 4.01; SIPROTEC 7SD686 : All versions \u003c V 4.03; SIPROTEC 7SJ66 : All versions \u003c V 4.20. The integrated web server (port 80/tcp) of the affected devices could allow remote attackers to obtain sensitive device information if network access was obtained.","severity":{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02676,"percentile":0.85893,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2016-05-31T01:00:00Z","modified":"2026-06-17T00:48:12Z","products":[{"vendor":"siemens","product":"siprotec_firmware"}],"references":[{"url":"http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-547990.pdf","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-16-140-02","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://www.siemens.com/cert/pool/cert/siemens_security_advisory_SSA-323211.pdf","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.securityfocus.com/bid/90773","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-17-187-03","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.securityfocus.com/bid/99471","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-4784"},{"url":"https://github.com/advisories/GHSA-388g-95vj-q36x"}],"sources":{"cve":[{"id":"CVE-2016-4784","description":"A vulnerability has been identified in firmware variant PROFINET IO for EN100 Ethernet module : All versions \u003c V1.04.01; Firmware variant Modbus TCP for EN100 Ethernet module : All versions \u003c V1.11.00; Firmware variant DNP3 TCP for EN100 Ethernet module : All versions \u003c V1.03; Firmware variant IEC 104 for EN100 Ethernet module : All versions \u003c V1.21; EN100 Ethernet module included in SIPROTEC Merging Unit 6MU80 : All versions \u003c 1.02.02; SIPROTEC 7SJ686 : All versions \u003c V 4.83; SIPROTEC 7UT686 : All versions \u003c V 4.01; SIPROTEC 7SD686 : All versions \u003c V 4.03; SIPROTEC 7SJ66 : All versions \u003c V 4.20. The integrated web server (port 80/tcp) of the affected devices could allow remote attackers to obtain sensitive device information if network access was obtained.","status":"published","published":"2016-05-31T01:00:00Z","modified":"2024-09-17T03:59:26.394Z","updated_at":"2026-11-02T14:33:35.149563Z"}],"euvd":[{"id":"EUVD-2016-5769","description":"A vulnerability has been identified in firmware variant PROFINET IO for EN100 Ethernet module : All versions \u003c V1.04.01; Firmware variant Modbus TCP for EN100 Ethernet module : All versions \u003c V1.11.00; Firmware variant DNP3 TCP for EN100 Ethernet module : All versions \u003c V1.03; Firmware variant IEC 104 for EN100 Ethernet module : All versions \u003c V1.21; EN100 Ethernet module included in SIPROTEC Merging Unit 6MU80 : All versions \u003c 1.02.02; SIPROTEC 7SJ686 : All versions \u003c V 4.83; SIPROTEC 7UT686 : All versions \u003c V 4.01; SIPROTEC 7SD686 : All versions \u003c V 4.03; SIPROTEC 7SJ66 : All versions \u003c V 4.20. The integrated web server (port 80/tcp) of the affected devices could allow remote attackers to obtain sensitive device information if network access was obtained.","status":"published","published":"2016-05-31T01:00:00Z","modified":"2024-09-17T03:59:26Z","updated_at":"2026-11-03T00:28:27.115818Z"}],"ghsa":[{"id":"GHSA-388g-95vj-q36x","title":"A vulnerability has been identified in firmware variant PROFINET IO for EN100 Ethernet module :...","description":"A vulnerability has been identified in firmware variant PROFINET IO for EN100 Ethernet module : All versions \u003c V1.04.01; Firmware variant Modbus TCP for EN100 Ethernet module : All versions \u003c V1.11.00; Firmware variant DNP3 TCP for EN100 Ethernet module : All versions \u003c V1.03; Firmware variant IEC 104 for EN100 Ethernet module : All versions \u003c V1.21; EN100 Ethernet module included in SIPROTEC Merging Unit 6MU80 : All versions \u003c 1.02.02; SIPROTEC 7SJ686 : All versions \u003c V 4.83; SIPROTEC 7UT686 : All versions \u003c V 4.01; SIPROTEC 7SD686 : All versions \u003c V 4.03; SIPROTEC 7SJ66 : All versions \u003c V 4.20. The integrated web server (port 80/tcp) of the affected devices could allow remote attackers to obtain sensitive device information if network access was obtained.","status":"published","published":"2022-05-14T03:35:58Z","modified":"2023-02-02T05:08:33Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:52:45.271372Z"}],"nvd":[{"id":"CVE-2016-4784","description":"A vulnerability has been identified in firmware variant PROFINET IO for EN100 Ethernet module : All versions \u003c V1.04.01; Firmware variant Modbus TCP for EN100 Ethernet module : All versions \u003c V1.11.00; Firmware variant DNP3 TCP for EN100 Ethernet module : All versions \u003c V1.03; Firmware variant IEC 104 for EN100 Ethernet module : All versions \u003c V1.21; EN100 Ethernet module included in SIPROTEC Merging Unit 6MU80 : All versions \u003c 1.02.02; SIPROTEC 7SJ686 : All versions \u003c V 4.83; SIPROTEC 7UT686 : All versions \u003c V 4.01; SIPROTEC 7SD686 : All versions \u003c V 4.03; SIPROTEC 7SJ66 : All versions \u003c V 4.20. The integrated web server (port 80/tcp) of the affected devices could allow remote attackers to obtain sensitive device information if network access was obtained.","status":"published","published":"2016-05-31T01:59:12.993Z","modified":"2026-06-17T00:48:12.807Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:03:25.366449Z"}]}}