CVE-2020-7564

A CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') 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 write access and the execution of commands when uploading a specially crafted file on the controller over FTP.
Classic Buffer Overflow
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
schneiderCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 78%
VendorProductVersion
schneider-electricmodicon_tsxety4103_firmware
*
schneider-electricmodicon_tsxety5103_firmware
*
schneider-electricmodicon_tsxp574634_firmware
*
schneider-electricmodicon_tsxp575634_firmware
*
schneider-electricmodicon_tsxp576634_firmware
*
schneider-electricmodicon_quantum_140noe77101_firmware
*
schneider-electricmodicon_quantum_140noe77111_firmware
*
schneider-electricmodicon_quantum_140noc78100_firmware
*
schneider-electricmodicon_quantum_140cpu65150_firmware
*
schneider-electricmodicon_quantum_140cpu65150c_firmware
*
schneider-electricmodicon_quantum_140cpu65160c_firmware
*
schneider-electricmodicon_quantum_140cpu65160_firmware
*
schneider-electricmodicon_m340_bmx_p34-2010_firmware
*
schneider-electricmodicon_m340_bmx_p34-2030_firmware
*
schneider-electricmodicon_m340_bmx_noc_0401_firmware
*
schneider-electricmodicon_m340_bmx_noe_0100_firmware
*
schneider-electricmodicon_m340_bmx_noe_0100h_firmware
*
schneider-electricmodicon_m340_bmx_noe_0110_firmware
*
schneider-electricmodicon_m340_bmx_noe_0110h_firmware
*
schneider-electricmodicon_m340_bmx_nor_0200h_firmware
*
𝑥
= Vulnerable software versions