Back to Database
Status published
Unknown
CVE-2020-7563
A CWE-787: Out-of-bounds Write vulnerability exists in the Web Server...
Vulnerability Description
A CWE-787: Out-of-bounds Write vulnerability exists in the Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules (see notification for details) which could cause corruption of data, a crash, or code execution when uploading a specially crafted file on the controller over FTP.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2020-7563
Credits & Attribution
No credits recorded in the NVD database.
More from n/a
View All →CVE-2025-9910
Versions of the package jsondiffpatch before 0.7.2 are vulnerable to...
Low
2.3
CVE-2025-9802
RemoteClinic profile.php sql injection
Medium
5.1
CVE-2025-9799
Langfuse Webhook promptRouter.ts promptChangeEventSourcing server-side request forgery
Low
2.3
CVE-2025-9775
RemoteClinic edit-my-profile.php unrestricted upload
Medium
6.9
CVE-2025-9774
RemoteClinic edit-patient.php information disclosure
Medium
5.3
Affected Vendor
Affected Software
Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules (see notification for details)
Vulnerable Versions:
Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules (see notification for details)
Timeline
Official Publish:
November 18th, 2020
Last Modified:
May 29th, 2026
Added to House:
July 21st, 2026
CVSS Vectors
No vector data available