CVE-2019-6816

Name: CVE-2019-6816
Creator: NVD / NIST
Published: 2019-05-22T20:29:02.073+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.45%

Last modified Jun 17, 2026

CVE-2019-6816 is a vulnerability of currently unknown severity. In Modicon Quantum all firmware versions, a CWE-94: Code Injection vulnerability could cause an unauthorized firmware modification with possible Denial of Service when using Modbus protocol.. EPSS estimates a 1.45% chance of exploitation in the next 30 days.

Description

In Modicon Quantum all firmware versions, a CWE-94: Code Injection vulnerability could cause an unauthorized firmware modification with possible Denial of Service when using Modbus protocol.

Metrics

EPSS Probability

1.45%

70.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-94

Affected Software

Vendor	Product	Versions
Schneider-Electric	Modicon Quantum Firmware	All versions

References

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

Timeline

Published: May 22, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-6816?

In Modicon Quantum all firmware versions, a CWE-94: Code Injection vulnerability could cause an unauthorized firmware modification with possible Denial of Service when using Modbus protocol.

How severe is CVE-2019-6816?

Severity scoring for CVE-2019-6816 is pending analysis. The EPSS model estimates a 1.45% probability of exploitation in the next 30 days.

How do I fix CVE-2019-6816?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-6816?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST