CVEvulnerability

CVE-2018-4838

7.5 HIGH Published 2018-03-08 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2018-03-08
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:P/A:N
Weaknesses
CWE-306

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.

Affected configurations

• siemens en100 ethernet module iec 104 firmware • siemens en100 ethernet module dnp3 firmware • siemens en100 ethernet module modbus tcp firmware • siemens en100 ethernet module profinet io firmware • siemens en100 ethernet module iec 61850 firmware (< 4.30)

Related

Weakness · CWE (1)

  • CWE-306 Missing Authentication for Critical Functionality weakness

References