CVE-2019-6819

HighCVSS 7.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
May 22, 2019
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2019

CVE-2019-68208.2A CWE-306: Missing Authentication for Critical Function vulnerability exists which could cause a modification of device IP configuration (IPCVE-2019-68216.5CWE-330: Use of Insufficiently Random Values vulnerability, which could cause the hijacking of the TCP connection when using Ethernet communCVE-2019-68227.8A Use After Free: CWE-416 vulnerability exists in Zelio Soft 2, V5.2 and earlier, which could cause remote code execution when opening a speCVE-2019-68239.8A CWE-94: Code Injection vulnerability exists in ProClima (all versions prior to version 8.0.0) which could allow an unauthenticated, remoteCVE-2019-68249.8A CWE-119: Buffer Errors vulnerability exists in ProClima (all versions prior to version 8.0.0) which allows an unauthenticated, remote attaCVE-2019-68257.8A CWE-427: Uncontrolled Search Path Element vulnerability exists in ProClima (all versions prior to version 8.0.0) which could allow a malicCVE-2019-68267.8A CWE-426: Untrusted Search Path vulnerability exists in SoMachine HVAC v2.4.1 and earlier versions, which could cause arbitrary code executCVE-2019-68277.8A CWE-787: Out-of-bounds Write vulnerability exists in Interactive Graphical SCADA System (IGSS), Version 14 and prior, which could cause a CVE-2019-68287.5A CWE-248: Uncaught Exception vulnerability exists Modicon M580 (firmware version prior to V2.90), Modicon M340 (firmware version prior to VCVE-2019-68297.5A CWE-248: Uncaught Exception vulnerability exists in Modicon M580 (firmware version prior to V2.90) and Modicon M340 (firmware version prioCVE-2019-68305.9A CWE-248: Uncaught Exception vulnerability exists IN Modicon M580 all versions prior to V2.80, which could cause a possible denial of serviCVE-2019-68318.6A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in BMXNOR0200H Ethernet / Serial RTU module (all firmwa