Auth bypass in Siemens Digsi 4

CVE-2018-4840

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 version…

Vulnerability class: Broken Authentication

EPSS: 0.018 (75.7th 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)

References

Frequently asked questions

What is CVE-2018-4840?
CVE-2018-4840 is a high-severity vulnerability in Siemens Digsi 4, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2018-03-08.
How severe is CVE-2018-4840?
High severity. CVSS v3 base score is 7.5 out of 10.