CVE-2018-4838

2018-03-0817:00:00

siemens

www.cve.org

7.5 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

40.2%

JSON

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.

CNA Affected

[
  {
    "product": "EN100 Ethernet module IEC 61850 variant",
    "vendor": "Siemens AG",
    "versions": [
      {
        "status": "affected",
        "version": "All versions < V4.30"
      }
    ]
  },
  {
    "product": "EN100 Ethernet module DNP3 variant",
    "vendor": "Siemens AG",
    "versions": [
      {
        "status": "affected",
        "version": "All versions < V1.04"
      }
    ]
  },
  {
    "product": "EN100 Ethernet module PROFINET IO variant",
    "vendor": "Siemens AG",
    "versions": [
      {
        "status": "affected",
        "version": "All versions"
      }
    ]
  },
  {
    "product": "EN100 Ethernet module Modbus TCP variant",
    "vendor": "Siemens AG",
    "versions": [
      {
        "status": "affected",
        "version": "All versions"
      }
    ]
  },
  {
    "product": "EN100 Ethernet module IEC 104 variant",
    "vendor": "Siemens AG",
    "versions": [
      {
        "status": "affected",
        "version": "All versions < V1.22"
      }
    ]
  }
]