CVE Vulnerability

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 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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-845879.pdf Patch Vendor Advisory
https://ics-cert.us-cert.gov/advisories/ICSA-18-067-01 Third Party Advisory US Government Resource
https://www.securityfocus.com/bid/103379
Configurations

Configuration 1
Information

Published : 2018-03-08 05:29

Updated : 2019-10-03 12:03

NVD link : CVE-2018-4838

Mitre link : CVE-2018-4838

Products Affected
No products.
CWE
CWE-306