CVE-2018-4839 Detail

Current Description

A vulnerability has been identified in Siemens DIGSI 4 (All versions < V4.92), EN100 Ethernet module IEC 61850 variant (All versions < V4.30), EN100 Ethernet module PROFINET IO variant (All versions), EN100 Ethernet module Modbus TCP variant (All versions), EN100 Ethernet module DNP3 variant (All versions), EN100 Ethernet module IEC 104 variant (All versions), SIPROTEC Compact 7SJ80 (All versions < V4.77), SIPROTEC Compact 7SK80 (All versions < V4.77), SIPROTEC Compact 7SJ66 (All versions < V4.30), Other SIPROTEC Compact relays (All versions), Other SIPROTEC 4 relays (All versions). An attacker with local access to the engineering system or in a privileged network position and able to obtain certain network traffic could possibly reconstruct access authorization passwords.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  5.3 MEDIUM
Vector:  CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-203306.pdf Patch  Vendor Advisory 
https://ics-cert.us-cert.gov/advisories/ICSA-18-067-01 Third Party Advisory  US Government Resource 

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-noinfo Insufficient Information cwe source acceptance level NIST  
CWE-326 Inadequate Encryption Strength Reference acceptance level Siemens AG  

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-4839
NVD Published Date:
03/08/2018
NVD Last Modified:
10/09/2019
Source:
MITRE