CVE-2018-7847

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 denial of service or potential code execution by overwriting configuration settings of the controller over Modbus.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
schneiderCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 78%
VendorProductVersion
schneider-electricmodicon_m580_firmware
*
schneider-electricmodicon_m340_firmware
*
schneider-electricmodicon_quantum_firmware
*
schneider-electricmodicon_premium_firmware
*
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0742
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0743
https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0742
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0743