CVE-2019-6819

7.5 HIGH

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists which could cause a possible Denial of Service when ...

Published: 2019-05-22 · Last updated: 2026-05-29

Severity and scoring

CVSS: 7.5 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE: CWE-754

Affected products

Vendor	Product
schneider-electric	modicon_m340_firmware, modicon_m580_firmware, modicon_premium_firmware

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.

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2019-6819
[Other]http://www.securityfocus.com/bid/109004
[Vendor advisory]https://www.schneider-electric.com/en/download/document/SEVD-2019-134-05/
[Other]http://www.securityfocus.com/bid/109004
[Vendor advisory]https://www.schneider-electric.com/en/download/document/SEVD-2019-134-05/

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