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

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

CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9

VMScore: 445

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

A CWE-248: Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause denial of service when reading memory blocks with an invalid data size or with an invalid data offset in the controller over Modbus.

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-2018-7843

CVE-2018-7843 Affected Products Schneider Electric Modicon M580 Version < 280 Schneider Electric Modicon M340 Version < 310 Schneider Electric Modicon Premium Version < 320 Schneider Electric Modicon Quantum Version < 360 References wwwsecom/ww/en/download/document/SEVD-2019-134-11/ wwwtalosintelligencecom/vulner

CWE-125 https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0738 https://nvd.nist.gov https://github.com/yanissec/CVE-2018-7843

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CVE-2018-7843

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