Buffer Overflow Vulnerability in EcoStruxure Control Expert by Schneider Electric
CVE-2020-7559

7.5HIGH

Key Information:

Vendor

Schneider Electric
Status
Plc Simulator On Ecostruxureª Control Expert (now Unity Pro) (all Versions)
Vendor
CVE Published:
19 November 2020

What is CVE-2020-7559?

A buffer overflow vulnerability exists in the PLC Simulator component of EcoStruxure Control Expert, formerly known as Unity Pro. This flaw can be exploited by sending specially crafted requests over the Modbus protocol, potentially leading to a crash of the PLC simulator. It highlights the importance of careful input size validation to prevent unexpected behavior and system instability.

Affected Version(s)

PLC Simulator on EcoStruxureª Control Expert (now Unity Pro) (all ) PLC Simulator on EcoStruxureª Control Expert (now Unity Pro) (all versions)

References

https://www.se.com/ww/en/download/document/SEVD-2020-315-07
x_refsource_MISC
https://www.talosintelligence.com/vulnerability_reports/T...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.