CVE-2020-7540 CRITICAL

Published: 2020-12-11 | Last Modified: 2024-11-21 | Status: Modified

Description

A CWE-306: Missing Authentication for Critical Function vulnerability exists in the Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules (see security notification for affected versions), that could cause unauthenticated command execution in the controller when sending special HTTP requests.

Additional Descriptions (1)

Una CWE-306: Se presenta una vulnerabilidad de Falta Autenticación para la Función Crítica en el Servidor Web en Modicon M340, Legacy Offers Modicon Quantum y Modicon Premium y Modicon Premium y Módulos de Comunicación asociados (consulte la notificación de seguridad para las versiones afectadas), que podría causar una ejecución de comandos no autenticados en el controlador cuando se envían peticiones HTTP especiales

CVSS Metrics

Base Score: 9.8 (CRITICAL)

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

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

Source: [email protected]

Type: Primary

Exploitability Score: 3.9

Impact Score: 5.9

Base Score: 7.5 (HIGH)

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

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

Source: [email protected]

Type: Primary

Exploitability Score: 10.0

Impact Score: 6.4

Weaknesses

Source	Type	Description
[email protected]	Secondary	en CWE-306

Affected Products

Vendor	Product	Version	Update	Type
schneider-electric	modicon_m340_bmxp341000_firmware	*	<built-in method update of dict object at 0x7e60a88ad800>	Operating System
schneider-electric	modicon_m340_bmxp342000_firmware	*	<built-in method update of dict object at 0x7e60a88af880>	Operating System
schneider-electric	modicon_m340_bmxp3420102_firmware	*	<built-in method update of dict object at 0x7e60baa34cc0>	Operating System
schneider-electric	modicon_m340_bmxp3420102cl_firmware	*	<built-in method update of dict object at 0x7e60e8816680>	Operating System
schneider-electric	modicon_m340_bmxp342020_firmware	*	<built-in method update of dict object at 0x7e60a88ae5c0>	Operating System
schneider-electric	modicon_m340_bmxp3420302_firmware	*	<built-in method update of dict object at 0x7e60a88adfc0>	Operating System
schneider-electric	modicon_m340_bmxp3420302cl_firmware	*	<built-in method update of dict object at 0x7e60baa344c0>	Operating System
schneider-electric	bmxnoe0100_firmware	*	<built-in method update of dict object at 0x7e60ba25c280>	Operating System
schneider-electric	bmxnoe0110_firmware	*	<built-in method update of dict object at 0x7e60baa36ec0>	Operating System
schneider-electric	140noe77101_firmware	*	<built-in method update of dict object at 0x7e60a88afa80>	Operating System
schneider-electric	140noe77111_firmware	*	<built-in method update of dict object at 0x7e60baa34ec0>	Operating System
schneider-electric	140cpu65150_firmware	*	<built-in method update of dict object at 0x7e60a88ad540>	Operating System
schneider-electric	140cpu65160_firmware	*	<built-in method update of dict object at 0x7e60e88171c0>	Operating System
schneider-electric	140noc78000_firmware	*	<built-in method update of dict object at 0x7e6050bdc440>	Operating System
schneider-electric	140noc78100_firmware	*	<built-in method update of dict object at 0x7e60a888f240>	Operating System
schneider-electric	140noc77101_firmware	*	<built-in method update of dict object at 0x7e6050bdd540>	Operating System
schneider-electric	tsxp574634_firmware	*	<built-in method update of dict object at 0x7e60a88ac140>	Operating System
schneider-electric	tsxp575634_firmware	*	<built-in method update of dict object at 0x7e60baa34040>	Operating System
schneider-electric	tsxp576634_firmware	*	<built-in method update of dict object at 0x7e60baa34340>	Operating System
schneider-electric	tsxety4103_firmware	*	<built-in method update of dict object at 0x7e60a888e000>	Operating System
schneider-electric	tsxety5103_firmware	*	<built-in method update of dict object at 0x7e60ba25d280>	Operating System
schneider-electric	bmxnoc0401_firmware	*	<built-in method update of dict object at 0x7e60a88ac040>	Operating System
schneider-electric	bmxnor200h_firmware	*	<built-in method update of dict object at 0x7e60a888efc0>	Operating System

Affected Configurations

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:modicon_m340_bmxp341000_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:modicon_m340_bmxp341000:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:modicon_m340_bmxp342000_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:modicon_m340_bmxp342000:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:modicon_m340_bmxp3420102_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:modicon_m340_bmxp3420102:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:modicon_m340_bmxp3420102cl_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:modicon_m340_bmxp3420102cl:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:modicon_m340_bmxp342020_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:modicon_m340_bmxp342020:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:modicon_m340_bmxp3420302_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:modicon_m340_bmxp3420302:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:modicon_m340_bmxp3420302cl_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:modicon_m340_bmxp3420302cl:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:bmxnoe0100_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:bmxnoe0100:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:bmxnoe0110_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:bmxnoe0110:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:140noe77101_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:140noe77101:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:140noe77111_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:140noe77111:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:140cpu65150_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:140cpu65150:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:140cpu65160_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:140cpu65160:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:140noc78000_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:140noc78000:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:140noc78100_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:140noc78100:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:140noc77101_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:140noc77101:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:tsxp574634_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:tsxp574634:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:tsxp575634_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:tsxp575634:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:tsxp576634_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:tsxp576634:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:tsxety4103_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:tsxety4103:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:tsxety5103_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:tsxety5103:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:bmxnoc0401_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:bmxnoc0401:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:bmxnor200h_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:bmxnor200h:-:::::::*`

References

https://www.se.com/ww/en/download/document/SEVD-2020-343-04/
Source: [email protected]

Vendor Advisory
https://www.se.com/ww/en/download/document/SEVD-2020-343-04/
Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory