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Published: 19/11/2020 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-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability exists in PLC Simulator on EcoStruxureª Control Expert (now Unity Pro) (all versions) that could cause a crash of the PLC simulator present in EcoStruxureª Control Expert software when receiving a specially crafted request over Modbus.

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schneider-electric ecostruxure control expert

CWE-120 https://www.se.com/ww/en/download/document/SEVD-2020-315-07 https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1140 https://nvd.nist.gov

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CVE-2020-7559

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