High severity7.5NVD Advisory· Published Nov 19, 2020· Updated Jun 17, 2026
CVE-2020-7559
CVE-2020-7559
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1Patches
Vulnerability mechanics
References
2- www.se.com/ww/en/download/document/SEVD-2020-315-07nvdPatchProductVendor Advisory
- www.talosintelligence.com/vulnerability_reports/TALOS-2020-1140nvdExploitThird Party Advisory
News mentions
0No linked articles in our index yet.