VULNERABILITY INTELLIGENCE

CVE-2018-7798

CVSS score8.2 HIGH

EPSS probability0.66%

CISA KEVNot currently listed

Published2018-11-02

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L

Description

A Insufficient Verification of Data Authenticity (CWE-345) vulnerability exists in the Modicon M221, all versions, which could cause a change of IPv4 configuration (IP address, mask and gateway) when remotely connected to the device.

Weakness classification

CWE-345: Insufficient Verification of Data Authenticity

Primary references

cybersecurity@se.com — Third Party Advisory, VDB Entry
cybersecurity@se.com — Mitigation, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Mitigation, Vendor Advisory