What is CVE-2018-4838?

CVE-2018-4838 is a high-severity vulnerability in Siemens En100_ethernet_module_dnp3, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2018-03-08.

How severe is CVE-2018-4838?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Siemens En100_ethernet_module_dnp3

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 modu…

Vulnerability class: Broken Authentication

EPSS: 0.014 (69.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

productcert@siemens.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
productcert@siemens.com (vdb-entry, x_refsource_BID)
nvd@nist.gov (Third Party Advisory, US Government Resource)

Frequently asked questions

What is CVE-2018-4838?: CVE-2018-4838 is a high-severity vulnerability in Siemens En100_ethernet_module_dnp3, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2018-03-08.
How severe is CVE-2018-4838?: High severity. CVSS v3 base score is 7.5 out of 10.