CVE-2019-6808

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

A CWE-284: Improper Access Control vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause a remote code execution by overwriting configuration settings of the controller over Modbus.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-306

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-2019-68097.5A CWE-248: Uncaught Exception vulnerability exists in Modicon M580 (firmware versions prior to V2.90), Modicon M340 (firmware versions priorCVE-2019-68108.8CWE-284: Improper Access Control vulnerability exists in BMXNOR0200H Ethernet / Serial RTU module (all firmware versions), which could causeCVE-2019-68117.5An Improper Check for Unusual or Exceptional Conditions (CWE-754) vulnerability exists in Modicon Quantum 140 NOE771x1 version 6.9 and earliCVE-2019-68127.2A CWE-798 use of hardcoded credentials vulnerability exists in BMX-NOR-0200H with firmware versions prior to V1.7 IR 19 which could cause a CVE-2019-68137.5A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in BMXNOR0200H Ethernet / Serial RTU module (all firmwaCVE-2019-68149.8A CWE-287: Improper Authentication vulnerability exists in the NET55XX Encoder with firmware prior to version 2.1.9.7 which could cause impaCVE-2019-68159.1In Modicon Quantum all firmware versions, CWE-264: Permissions, Privileges, and Access Control vulnerabilities could cause a denial of serviCVE-2019-68169.1In Modicon Quantum all firmware versions, a CWE-94: Code Injection vulnerability could cause an unauthorized firmware modification with possCVE-2019-68197.5A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists which could cause a possible Denial of Service when speCVE-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 spe
CVE-2019-6808: Critical severity, CVSS 9.8 | Vulnix