{"schemaVersion":3,"id":"CVE-2018-4838","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"A vulnerability has been identified in EN100 Ethernet module IEC 61850 variant (All versions < V4.30), EN100 Ethernet module DNP3 variant (All versions < V1.04), EN100 Ethernet module PROFINET IO variant (All versions), EN100 Ethernet module Modbus TCP variant (All versions), EN100 Ethernet module IEC 104 variant (All versions < V1.22). The web interface (TCP/80) of affected devices allows an unauthenticated user to upgrade or downgrade the firmware of the device, including to older versions with known vulnerabilities.","dates":{"published":"2018-03-08T17:00:00.000Z","modified":"2024-08-05T05:18:26.631Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.5,"severity":"high","version":"3.0","versionLabel":"v3.0","source":"NVD","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":7.5,"severity":"high","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":5,"severity":"medium","vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.01404,"percentile":0.7215,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.01404},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01408,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01404,"percentile":0.7215}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01408,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01404,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01404,"percentile":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