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HIGH

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

Published Nov 19, 2020

Description

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.

Affected products

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-120

Classic Buffer Overflow

References (3)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner schneider
Published Nov 19, 2020
Updated Aug 4, 2024
Reserved Jan 21, 2020
Link CVE-2020-7559
CISA Vulnrichment
Updated n/a
NVD
Status Modified
Modified Jun 17, 2026
Link CVE-2020-7559
Red Hat
Severity n/a
Public date n/a
Links CVE-2020-7559
ENISA EUVD
Assigner schneider
Published Nov 19, 2020
Updated Aug 4, 2024
Exploited since n/a
Link EUVD-2020-28684
EUVD-2020-28684