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Vulnerability record · CVE-2019-6815 · published 22 May 2019

CVE-2019-6815: Schneider-electric modicon quantum firmware vulnerability

Schneider Electric · Modicon Quantum Firmware

In Modicon Quantum all firmware versions, CWE-264: Permissions, Privileges, and Access Control vulnerabilities could cause a denial of service or unauthorized modifications of the PLC configuration when using Ethernet/IP protocol.

9.1 CVSS 3.0 Critical EPSS 1.4% · top 28.6%
9.1CVSS 3.0 base score, v2 6.4
1.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

In Modicon Quantum all firmware versions, CWE-264: Permissions, Privileges, and Access Control vulnerabilities could cause a denial of service or unauthorized modifications of the PLC configuration when using Ethernet/IP protocol.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.schneider-electric.com/en/download/document/SEVD-2019-134-09/ Vendor Advisory
https://www.schneider-electric.com/en/download/document/SEVD-2019-134-09/ Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2019-6808Schneider-electric modicon premium firmware missing authentication for critical function vulnerabilityA CWE-284: Improper Access Control vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which…EPSS 8.2%9.8CVE-2018-7842Schneider-electric modicon m580 firmware authentication bypass by spoofing vulnerabilityA CWE-290: Authentication Bypass by Spoofing vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Pre…EPSS 35%9.8CVE-2018-7846Schneider-electric modicon m580 firmware exposure of resource to wrong sphere vulnerabilityA CWE-501: Trust Boundary Violation vulnerability on connection to the Controller exists in all versions of the Modicon M580, Modicon M340, Modicon Q…EPSS 30%9.8CVE-2018-7847Schneider-electric modicon m580 firmware improper authentication vulnerabilityA CWE-284: Improper Access Control vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which…EPSS 3.8%9.1CVE-2019-6816Schneider-electric modicon quantum firmware code injection vulnerabilityIn Modicon Quantum all firmware versions, a CWE-94: Code Injection vulnerability could cause an unauthorized firmware modification with possible Deni…EPSS 1.5%7.5CVE-2019-6828Schneider-electric modicon m580 firmware vulnerabilityA CWE-248: Uncaught Exception vulnerability exists Modicon M580 (firmware version prior to V2.90), Modicon M340 (firmware version prior to V3.10), Mo…EPSS 1.5%7.5CVE-2019-6809Schneider-electric modicon m580 firmware vulnerabilityA CWE-248: Uncaught Exception vulnerability exists in Modicon M580 (firmware versions prior to V2.90), Modicon M340 (firmware versions prior to V3.10…EPSS 1.8%7.5CVE-2018-7844Schneider-electric modicon premium firmware information exposure vulnerabilityA CWE-200: Information Exposure vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which co…EPSS 3.3%

Source: NIST National Vulnerability Database (record CVE-2019-6815), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.