CVE-2020-7562 HIGH

Published: 2020-11-18 | Last Modified: 2026-05-29 | Status: Modified

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.

Additional Descriptions (1)

CWE-125: Una vulnerabilidad Lectura Fuera de Límites se presenta en el Servidor Web en las ofertas Modicon M340, Modicon Quantum y Modicon Premium Legacy y sus Módulos de Comunicación (consulte la notificación para obtener más detalles) que podría causar un fallo de segmentación o un desbordamiento del búfer al cargar un archivo especialmente diseñado en el controlador por medio de FTP

CVSS Metrics

Base Score: 8.1 (HIGH)

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Attack Vector	NETWORK
Attack Complexity	LOW
Privileges Required	LOW
User Interaction	NONE
Scope	UNCHANGED
Confidentiality Impact	HIGH
Integrity Impact	NONE
Availability Impact	HIGH

Source: [email protected]

Type: Primary

Exploitability Score: 2.8

Impact Score: 5.2

Base Score: 5.8 (MEDIUM)

AV:N/AC:M/Au:N/C:P/I:N/A:P

Access Vector	NETWORK
Access Complexity	MEDIUM
Authentication	NONE
Confidentiality Impact	PARTIAL
Integrity Impact	NONE
Availability Impact	PARTIAL

Source: [email protected]

Type: Primary

Exploitability Score: 8.6

Impact Score: 4.9

Weaknesses

Source	Type	Description
[email protected]	Secondary	en CWE-125

Affected Products

Vendor	Product	Version	Update	Type
schneider-electric	modicon_tsxety4103_firmware	*	<built-in method update of dict object at 0x7e60bb887b00>	Operating System
schneider-electric	modicon_tsxety5103_firmware	*	<built-in method update of dict object at 0x7e6107fb4840>	Operating System
schneider-electric	modicon_tsxp574634_firmware	*	<built-in method update of dict object at 0x7e6111e19f80>	Operating System
schneider-electric	modicon_tsxp575634_firmware	*	<built-in method update of dict object at 0x7e61114e2d80>	Operating System
schneider-electric	modicon_tsxp576634_firmware	*	<built-in method update of dict object at 0x7e60bb885940>	Operating System
schneider-electric	modicon_quantum_140noe77101_firmware	*	<built-in method update of dict object at 0x7e60bb884d00>	Operating System
schneider-electric	modicon_quantum_140noe77111_firmware	*	<built-in method update of dict object at 0x7e60eb2e2300>	Operating System
schneider-electric	modicon_quantum_140noc78100_firmware	*	<built-in method update of dict object at 0x7e6107fb5a40>	Operating System
schneider-electric	modicon_quantum_140cpu65150_firmware	*	<built-in method update of dict object at 0x7e6112e74280>	Operating System
schneider-electric	modicon_quantum_140cpu65150c_firmware	*	<built-in method update of dict object at 0x7e60bb887f80>	Operating System
schneider-electric	modicon_quantum_140cpu65160c_firmware	*	<built-in method update of dict object at 0x7e6107fb7dc0>	Operating System
schneider-electric	modicon_quantum_140cpu65160_firmware	*	<built-in method update of dict object at 0x7e60b9fe9600>	Operating System
schneider-electric	modicon_m340_bmx_p34-2010_firmware	*	<built-in method update of dict object at 0x7e61114e1f40>	Operating System
schneider-electric	modicon_m340_bmx_p34-2030_firmware	*	<built-in method update of dict object at 0x7e61114e3400>	Operating System
schneider-electric	modicon_m340_bmx_noc_0401_firmware	*	<built-in method update of dict object at 0x7e61114e0ec0>	Operating System
schneider-electric	modicon_m340_bmx_noe_0100_firmware	*	<built-in method update of dict object at 0x7e60a8897040>	Operating System
schneider-electric	modicon_m340_bmx_noe_0100h_firmware	*	<built-in method update of dict object at 0x7e60bacd4dc0>	Operating System
schneider-electric	modicon_m340_bmx_noe_0110_firmware	*	<built-in method update of dict object at 0x7e610844d100>	Operating System
schneider-electric	modicon_m340_bmx_noe_0110h_firmware	*	<built-in method update of dict object at 0x7e60a8895140>	Operating System
schneider-electric	modicon_m340_bmx_nor_0200h_firmware	*	<built-in method update of dict object at 0x7e60bafac940>	Operating System

Affected Configurations

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:modicon_tsxety4103_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:modicon_tsxety4103:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:modicon_tsxety5103_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:modicon_tsxety5103:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:modicon_tsxp574634_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:modicon_tsxp574634:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:modicon_tsxp575634_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:modicon_tsxp575634:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:modicon_tsxp576634_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:modicon_tsxp576634:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:modicon_quantum_140noe77101_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:modicon_quantum_140noe77101:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:modicon_quantum_140noe77111_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:modicon_quantum_140noe77111:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:modicon_quantum_140noc78100_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:modicon_quantum_140noc78100:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:modicon_quantum_140cpu65150_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:modicon_quantum_140cpu65150:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:modicon_quantum_140cpu65150c_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:modicon_quantum_140cpu65150c:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:modicon_quantum_140cpu65160c_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:modicon_quantum_140cpu65160c:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:modicon_quantum_140cpu65160_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:modicon_quantum_140cpu65160:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:modicon_m340_bmx_p34-2010_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:modicon_m340_bmx_p34-2010:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:modicon_m340_bmx_p34-2030_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:modicon_m340_bmx_p34-2030:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:modicon_m340_bmx_noc_0401_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:modicon_m340_bmx_noc_0401:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:modicon_m340_bmx_noe_0100_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:modicon_m340_bmx_noe_0100:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:modicon_m340_bmx_noe_0100h_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:modicon_m340_bmx_noe_0100h:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:modicon_m340_bmx_noe_0110_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:modicon_m340_bmx_noe_0110:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:modicon_m340_bmx_noe_0110h_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:modicon_m340_bmx_noe_0110h:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:modicon_m340_bmx_nor_0200h_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:modicon_m340_bmx_nor_0200h:-:::::::*`

References

https://www.se.com/ww/en/download/document/SEVD-2020-315-01/
Source: [email protected]

Vendor Advisory
https://www.se.com/ww/en/download/document/SEVD-2020-315-01/
Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory