High severity7.5NVD Advisory· Published May 22, 2019· Updated May 29, 2026
CVE-2019-6819
CVE-2019-6819
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.
Affected products
9- cpe:2.3:o:schneider-electric:modicon_m340_firmware:*:*:*:*:*:*:*:*Range: <3.01
- cpe:2.3:o:schneider-electric:modicon_m580_firmware:*:*:*:*:*:*:*:*Range: <2.80
cpe:2.3:o:schneider-electric:modicon_premium_firmware:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:schneider-electric:modicon_premium_firmware:*:*:*:*:*:*:*:*
- (no CPE)
- cpe:2.3:o:schneider-electric:modicon_quantum_firmware:*:*:*:*:*:*:*:*
- Modicon/M340, M580, Quantum, Premiumdescription
- Range: <V2.80
- Range: <V3.01
Patches
Vulnerability mechanics
References
2- www.schneider-electric.com/en/download/document/SEVD-2019-134-05/nvdVendor Advisory
- www.securityfocus.com/bid/109004nvdBroken Link
News mentions
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