CVE-2018-4838

7.5HIGH

Key Information:

Vendor
Siemens
Status
En100 Ethernet Module Iec 61850 Variant
En100 Ethernet Module Dnp3 Variant
En100 Ethernet Module Profinet Io Variant
En100 Ethernet Module Modbus Tcp Variant
Vendor
CVE Published:
8 March 2018

Summary

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 Version(s)

EN100 Ethernet module DNP3 variant All versions < V1.04

EN100 Ethernet module IEC 104 variant All versions < V1.22

EN100 Ethernet module IEC 61850 variant All versions < V4.30

References

https://cert-portal.siemens.com/productcert/pdf/ssa-84587...
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https://www.securityfocus.com/bid/103379
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CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.