Buffer Overflow Vulnerability in Schneider Electric Modicon Controllers
CVE-2020-7564
Summary
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.
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
CVSS V3.1
Timeline
Vulnerability published
Vulnerability Reserved