Published: 22/05/2019 Updated: 03/02/2022

CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10

CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9

VMScore: 445

Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

A CWE-501: Trust Boundary Violation vulnerability on connection to the Controller exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum and Modicon Premium which could cause unauthorized access by conducting a brute force attack on Modbus protocol to the controller.

Vulnerable Product	Search on Vulmon	Subscribe to Product
schneider-electric modicon_m580_firmware
schneider-electric modicon_m340_firmware
schneider-electric modicon_quantum_firmware
schneider-electric modicon_premium_firmware

CVE-2018-7846

CVE-2018-7846 Affected Products Schneider Electric Modicon M580 Version < 290 Schneider Electric Modicon M340 Version < 310 Schneider Electric Modicon Premium All Versions Schneider Electric Modicon Quantum All Versions References wwwsecom/ww/en/download/document/SEVD-2019-134-11/ wwwtalosintelligencecom/vulnerability_reports/TA

CWE-668 https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0735 https://nvd.nist.gov https://github.com/yanissec/CVE-2018-7846

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CVE-2018-7846

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