VULNERABILITY INTELLIGENCE
CVE-2019-6819
CVSS score7.5 HIGH
EPSS probability1.13%
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-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists which could cause a possible Denial of Service when specific Modbus frames are sent to the controller in the products: Modicon M340 - firmware versions prior to V3.01, Modicon M580 - firmware versions prior to V2.80, All firmware versions of Modicon Quantum and Modicon Premium.
Weakness classification
- CWE-754: Improper Check for Unusual or Exceptional Conditions
Primary references
- cybersecurity@se.com — Broken Link
- cybersecurity@se.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Broken Link
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory