CVE-2020-7559: Buffer Overflow
First published: Thu Nov 19 2020(Updated: )
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.
Credit: cybersecurity@se.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Schneider-electric Ecostruxure Control Expert |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2020-7559.
What is the severity of CVE-2020-7559?
CVE-2020-7559 has a severity rating of 7.5 (High).
What is the affected software for CVE-2020-7559?
The affected software for CVE-2020-7559 is Schneider-electric EcoStruxure Control Expert (all versions).
What is the CWE ID for CVE-2020-7559?
CVE-2020-7559 has CWE IDs 119 and 120.
Are there any references for CVE-2020-7559?
Yes, you can find references for CVE-2020-7559 at the following links: [Reference 1](https://www.se.com/ww/en/download/document/SEVD-2020-315-07), [Reference 2](https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1140).
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