CVE-2018-4840: siemens digsi_4
Vulnerability summary
CVE-2018-4840 is a high (CVSS 7.5) vulnerability in siemens digsi_4. EPSS estimates a 1.78% chance of exploitation in the next 30 days, higher than 77.8% of scored vulnerabilities.
Timeline
- 08-03-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A vulnerability has been identified in DIGSI 4 (All versions < V4.92), EN100 Ethernet module DNP3 variant (All versions < V1.05.00), EN100 Ethernet module IEC 104 variant (All versions), EN100 Ethernet module IEC 61850 variant (All versions < V4.30), EN100 Ethernet module Modbus TCP variant (All versions), EN100 Ethernet module PROFINET IO variant (All versions). The device engineering mechanism allows an unauthenticated remote user to upload a modified device configuration overwriting access authorization passwords.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
1.78%
Chance of exploitation in the next 30 days
Percentile
78%
Versus all other CVEs
30-day change
0.00 pp
From 1.78% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Siemens14 products
- digsi_4All versions < V4.92 | < 4.92
- en100_ethernet_module_dnp3_firmwarena
- en100 ethernet module dnp3 variantAll versions < V1.05.00
- en100_ethernet_module_iec_104_firmwarena
- en100 ethernet module iec 104 variantAll versions (No fix recorded)
1 vendor · 14 products