VULNERABILITY INTELLIGENCE

CVE-2018-7853

CVSS score7.5 HIGH

EPSS probability1.82%

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 denial of service when reading invalid physical memory blocks in 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