CVE-2020-7562

HIGH

Schneider-electric Modicon Tsxety4103 Firmware - Out-of-Bounds Read

Title source: rule
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 8.1
EPSS 0.0052
EPSS Percentile 66.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Details

CWE
CWE-125
Status published
Products (20)
schneider-electric/modicon_m340_bmx_noc_0401_firmware
schneider-electric/modicon_m340_bmx_noe_0100_firmware
schneider-electric/modicon_m340_bmx_noe_0100h_firmware
schneider-electric/modicon_m340_bmx_noe_0110_firmware
schneider-electric/modicon_m340_bmx_noe_0110h_firmware
schneider-electric/modicon_m340_bmx_nor_0200h_firmware
schneider-electric/modicon_m340_bmx_p34-2010_firmware
schneider-electric/modicon_m340_bmx_p34-2030_firmware
schneider-electric/modicon_quantum_140cpu65150_firmware
schneider-electric/modicon_quantum_140cpu65150c_firmware
... and 10 more
Published Nov 18, 2020
Tracked Since Feb 18, 2026