{"id":"CVE-2018-4840","aliases":["EUVD-2018-16626","GHSA-2fqf-9j8p-6mg2"],"status":"published","title":"A vulnerability has been identified in DIGSI 4 (All versions \u003c V4.92), EN100 Ethernet module DNP3...","description":"A vulnerability has been identified in DIGSI 4 (All versions \u003c V4.92), EN100 Ethernet module DNP3 variant (All versions \u003c V1.05.00), EN100 Ethernet module IEC 104 variant (All versions), EN100 Ethernet module IEC 61850 variant (All versions \u003c V4.30), EN100 Ethernet module Modbus TCP variant (All versions), EN100 Ethernet module PROFINET IO variant (All versions). The device engineering mechanism allows an unauthenticated remote user to upload a modified device configuration overwriting access authorization passwords.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01777,"percentile":0.78367,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2018-03-08T17:00:00Z","modified":"2026-06-17T01:59:08Z","products":[{"vendor":"siemens","product":"digsi 4"},{"vendor":"siemens","product":"digsi_4"},{"vendor":"siemens","product":"en100 ethernet module dnp3 variant"},{"vendor":"siemens","product":"en100 ethernet module iec 104 variant"},{"vendor":"siemens","product":"en100 ethernet module iec 61850 variant"},{"vendor":"siemens","product":"en100 ethernet module modbus tcp variant"},{"vendor":"siemens","product":"en100 ethernet module profinet io variant"},{"vendor":"siemens","product":"en100_ethernet_module_dnp3_firmware"},{"vendor":"siemens","product":"en100_ethernet_module_iec_104_firmware"},{"vendor":"siemens","product":"en100_ethernet_module_iec_61850_firmware"},{"vendor":"siemens","product":"en100_ethernet_module_modbus_tcp_firmware"},{"vendor":"siemens","product":"en100_ethernet_module_profinet_io_firmware"},{"vendor":"siemens","product":"siprotec_4_7sj66_firmware"},{"vendor":"siemens","product":"siprotec_compact_7sj80_firmware"},{"vendor":"siemens","product":"siprotec_compact_7sk80_firmware"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-203306.pdf","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-4840"},{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-18-067-01","tags":["Third Party Advisory","US Government Resource"]},{"url":"https://github.com/advisories/GHSA-2fqf-9j8p-6mg2"}],"sources":{"cve":[{"id":"CVE-2018-4840","description":"A vulnerability has been identified in DIGSI 4 (All versions \u003c V4.92), EN100 Ethernet module DNP3 variant (All versions \u003c V1.05.00), EN100 Ethernet module IEC 104 variant (All versions), EN100 Ethernet module IEC 61850 variant (All versions \u003c V4.30), EN100 Ethernet module Modbus TCP variant (All versions), EN100 Ethernet module PROFINET IO variant (All versions). The device engineering mechanism allows an unauthenticated remote user to upload a modified device configuration overwriting access authorization passwords.","status":"published","published":"2018-03-08T17:00:00Z","modified":"2024-08-05T05:18:26.487Z","cwes":["CWE-306"],"updated_at":"2026-11-02T14:35:08.341767Z"}],"euvd":[{"id":"EUVD-2018-16626","description":"A vulnerability has been identified in DIGSI 4 (All versions \u003c V4.92), EN100 Ethernet module DNP3 variant (All versions \u003c V1.05.00), EN100 Ethernet module IEC 104 variant (All versions), EN100 Ethernet module IEC 61850 variant (All versions \u003c V4.30), EN100 Ethernet module Modbus TCP variant (All versions), EN100 Ethernet module PROFINET IO variant (All versions). The device engineering mechanism allows an unauthenticated remote user to upload a modified device configuration overwriting access authorization passwords.","status":"published","published":"2018-03-08T17:00:00Z","modified":"2024-08-05T05:18:26Z","updated_at":"2026-11-03T02:40:12.722721Z"}],"ghsa":[{"id":"GHSA-2fqf-9j8p-6mg2","title":"A vulnerability has been identified in DIGSI 4 (All versions \u003c V4.92), EN100 Ethernet module DNP3...","description":"A vulnerability has been identified in DIGSI 4 (All versions \u003c V4.92), EN100 Ethernet module DNP3 variant (All versions \u003c V1.05.00), EN100 Ethernet module IEC 104 variant (All versions), EN100 Ethernet module IEC 61850 variant (All versions \u003c V4.30), EN100 Ethernet module Modbus TCP variant (All versions), EN100 Ethernet module PROFINET IO variant (All versions). The device engineering mechanism allows an unauthenticated remote user to upload a modified device configuration overwriting access authorization passwords.","status":"published","published":"2022-05-13T01:08:50Z","modified":"2023-02-01T05:03:28Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:50:03.88435Z"}],"nvd":[{"id":"CVE-2018-4840","description":"A vulnerability has been identified in DIGSI 4 (All versions \u003c V4.92), EN100 Ethernet module DNP3 variant (All versions \u003c V1.05.00), EN100 Ethernet module IEC 104 variant (All versions), EN100 Ethernet module IEC 61850 variant (All versions \u003c V4.30), EN100 Ethernet module Modbus TCP variant (All versions), EN100 Ethernet module PROFINET IO variant (All versions). The device engineering mechanism allows an unauthenticated remote user to upload a modified device configuration overwriting access authorization passwords.","status":"published","published":"2018-03-08T17:29:00.307Z","modified":"2026-06-17T01:59:08.843Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:04:24.264003Z"}]}}