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

CWE-754

Affected software

VendorProductVersions
n/aModicon Controllers, Modicon M340 - firmware versions prior to V3.01 Modicon M580 - firmware versions prior to V2.80 All firmware versions of Modicon Quantum and Modicon PremiumModicon Controllers, 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

References

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
CVE-2019-6819: High severity, CVSS 7.5 | Vulnix