Critical severity9.8NVD Advisory· Published May 22, 2019· Updated Jun 17, 2026
CVE-2019-6808
CVE-2019-6808
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
8- cpe:2.3:o:schneider-electric:modicon_m340_firmware:*:*:*:*:*:*:*:*Range: <3.10
- cpe:2.3:o:schneider-electric:modicon_m580_firmware:*:*:*:*:*:*:*:*Range: <2.90
cpe:2.3:o:schneider-electric:modicon_premium_firmware:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:schneider-electric:modicon_premium_firmware:*:*:*:*:*:*:*:*range: <=3.20
- (no CPE)
- cpe:2.3:o:schneider-electric:modicon_quantum_firmware:*:*:*:*:*:*:*:*Range: <=3.60
Patches
Vulnerability mechanics
References
2- www.talosintelligence.com/vulnerability_reports/TALOS-2019-0771nvdExploitThird Party Advisory
- www.schneider-electric.com/en/download/document/SEVD-2019-134-11/nvdMitigationVendor Advisory
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