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

CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10

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

VMScore: 668

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

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.

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-2018-7842

CVE-2018-7842 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-290 https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0741 https://nvd.nist.gov https://github.com/yanissec/CVE-2018-7842

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CVE-2018-7842

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