Buffer Overflow Vulnerability in Schneider Electric Modicon Controllers
CVE-2020-7564

8.8HIGH

Key Information:

Vendor

Schneider Electric
Status
Web Server On Modicon M340, Modicon Quantum And Modicon Premium Legacy Offers And Their Communication Modules (see Notification For Details)
Vendor
CVE Published:
18 November 2020

What is CVE-2020-7564?

A buffer overflow vulnerability exists within the Web Server of Schneider Electric's Modicon M340, Modicon Quantum, and Modicon Premium Legacy products. This issue arises when a specially crafted file is uploaded via FTP to the controllers, allowing unauthorized write access and execution of commands. Proper validation of input sizes is essential to mitigate risks associated with this vulnerability. For more details, refer to the official notification.

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Affected Version(s)

Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules (see notification for details) Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules (see notification for details)

References

https://www.se.com/ww/en/download/document/SEVD-2020-315-01/
x_refsource_MISC

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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