CVE-2019-6808
CRITICALModicon Premium, Quantum, M340, M580 Firmware - Unauthenticated Remote Code Execution via Modbus Configuration Overwrite
Title source: llmDescription
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.
References (2)
Core 2
Core References
Mitigation, Vendor Advisory x_refsource_misc
https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/
Exploit, Third Party Advisory x_refsource_misc
https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0771
Scores
CVSS v3
9.8
EPSS
0.0239
EPSS Percentile
85.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-306
Status
published
Products (4)
schneider-electric/modicon_m340_firmware
< 3.10
schneider-electric/modicon_m580_firmware
< 2.90
schneider-electric/modicon_premium_firmware
< 3.20
schneider-electric/modicon_quantum_firmware
< 3.60
Published
May 22, 2019
Tracked Since
Feb 18, 2026