VULNERABILITY INTELLIGENCE

CVE-2018-7854

CVSS score7.5 HIGH

EPSS probability2.30%

CISA KEVNot currently listed

Published2019-05-22

Last modified2026-06-17

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

Description

A CWE-248 Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause a denial of Service when sending invalid debug parameters to the controller over Modbus.

Weakness classification

CWE-754: Improper Check for Unusual or Exceptional Conditions

Primary references

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