CVE-2018-7842

A CWE-290: Authentication Bypass by Spoofing vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause an elevation of privilege by conducting a brute force attack on Modbus parameters sent to the controller.
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: 90%
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-2018-0741
https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0741