VULNERABILITY INTELLIGENCE

CVE-2018-7794

CVSS score7.5 HIGH
EPSS probability1.40%
CISA KEVNot currently listed
Published2020-01-06
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-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon Quantum, Modicon Premium (see security notification for specific versions) which could cause a Denial of Service when reading data with invalid index using Modbus TCP.

Weakness classification

  • CWE-754: Improper Check for Unusual or Exceptional Conditions

Primary references