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CVE-2020-7562

8.1 HIGH

A CWE-125: Out-of-Bounds Read vulnerability exists in the Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers a...

Published: 2020-11-18 · Last updated: 2026-05-29

Severity and scoring

CVSS
8.1 HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CWE
CWE-125

Affected products

VendorProduct
schneider-electricmodicon_m340_bmx_noc_0401_firmware, modicon_m340_bmx_noe_0100_firmware, modicon_m340_bmx_noe_0100h_firmware

Description

A CWE-125: Out-of-Bounds Read 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 a segmentation fault or a buffer overflow when uploading a specially crafted file on the controller over FTP.

Source: NVD

References

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