1. Home
  2. CVE Database
  3. CVE-2018-4838
HIGH · 7.5

CVE-2018-4838

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 vari...

Vulnerability 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.

CVSS Score

7.5

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
SiemensEn100 Ethernet Module Iec 104 Firmware-
SiemensEn100 Ethernet Module Iec 104-
SiemensEn100 Ethernet Module Dnp3 Firmware-
SiemensEn100 Ethernet Module Dnp3-
SiemensEn100 Ethernet Module Modbus Tcp Firmware-
SiemensEn100 Ethernet Module Modbus Tcp-
SiemensEn100 Ethernet Module Profinet Io Firmware-
SiemensEn100 Ethernet Module Profinet Io-
SiemensEn100 Ethernet Module Iec 61850 Firmware< 4.30
SiemensEn100 Ethernet Module Iec 61850-

Related Weaknesses (CWE)

CWE-306

References

FAQ

What is CVE-2018-4838?

CVE-2018-4838 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 vari...

How severe is CVE-2018-4838?

CVE-2018-4838 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-4838?

Check the references section above for vendor advisories and patch information. Affected products include: Siemens En100 Ethernet Module Iec 104 Firmware, Siemens En100 Ethernet Module Iec 104, Siemens En100 Ethernet Module Dnp3 Firmware, Siemens En100 Ethernet Module Dnp3, Siemens En100 Ethernet Module Modbus Tcp Firmware.