CVE-2020-7539 HIGH

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

Description

A CWE-754 Improper Check for Unusual or Exceptional Conditions 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 a denial of service vulnerability when a specially crafted packet is sent to the controller over HTTP.

Additional Descriptions (1)

Una CWE-754: Se presenta una vulnerabilidad de Comprobación Inapropiada de Condiciones Inusuales o Excepcionales en el Servidor Web en Modicon M340, Legacy Offers Modicon Quantum y Modicon Premium y Módulos de Comunicación asociados (consulte la notificación de seguridad para las versiones afectadas), que podría causar una vulnerabilidad de denegación de servicio cuando un paquete especialmente diseñado es enviado hacia el controlador a través de HTTP

CVSS Metrics

Base Score: 7.5 (HIGH)

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

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

Source: [email protected]

Type: Primary

Exploitability Score: 3.9

Impact Score: 3.6

Base Score: 5.0 (MEDIUM)

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

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

Source: [email protected]

Type: Primary

Exploitability Score: 10.0

Impact Score: 2.9

Weaknesses

Source	Type	Description
[email protected]	Secondary	en CWE-754

Affected Products

Vendor	Product	Version	Update	Type
schneider-electric	modicon_m340_bmxp341000_firmware	*	<built-in method update of dict object at 0x7e60eb2182c0>	Operating System
schneider-electric	modicon_m340_bmxp342000_firmware	*	<built-in method update of dict object at 0x7e61109d4dc0>	Operating System
schneider-electric	modicon_m340_bmxp3420102_firmware	*	<built-in method update of dict object at 0x7e60bb372500>	Operating System
schneider-electric	modicon_m340_bmxp3420102cl_firmware	*	<built-in method update of dict object at 0x7e61342e5a00>	Operating System
schneider-electric	modicon_m340_bmxp342020_firmware	*	<built-in method update of dict object at 0x7e60bae0d1c0>	Operating System
schneider-electric	modicon_m340_bmxp3420302_firmware	*	<built-in method update of dict object at 0x7e60bae0dd80>	Operating System
schneider-electric	modicon_m340_bmxp3420302cl_firmware	*	<built-in method update of dict object at 0x7e60bae0c340>	Operating System
schneider-electric	bmxnoe0100_firmware	*	<built-in method update of dict object at 0x7e61109d5980>	Operating System
schneider-electric	bmxnoe0110_firmware	*	<built-in method update of dict object at 0x7e61109d7080>	Operating System
schneider-electric	bmxnoc0401_firmware	*	<built-in method update of dict object at 0x7e60bae0c640>	Operating System
schneider-electric	tsxp574634_firmware	*	<built-in method update of dict object at 0x7e6112e76880>	Operating System
schneider-electric	tsxp575634_firmware	*	<built-in method update of dict object at 0x7e60bae48b80>	Operating System
schneider-electric	tsxp576634_firmware	*	<built-in method update of dict object at 0x7e60bae4a880>	Operating System
schneider-electric	tsxety4103_firmware	*	<built-in method update of dict object at 0x7e61109d43c0>	Operating System
schneider-electric	tsxety5103_firmware	*	<built-in method update of dict object at 0x7e60bb360800>	Operating System
schneider-electric	140cpu65150_firmware	*	<built-in method update of dict object at 0x7e60bae49f80>	Operating System
schneider-electric	140noe77111_firmware	*	<built-in method update of dict object at 0x7e6100e88040>	Operating System
schneider-electric	140noc78100_firmware	*	<built-in method update of dict object at 0x7e60bae4a600>	Operating System
schneider-electric	140noc78000_firmware	*	<built-in method update of dict object at 0x7e60e86cc0c0>	Operating System
schneider-electric	140noc77101_firmware	*	<built-in method update of dict object at 0x7e61342e4340>	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: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: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: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: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: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: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:140noc77101_firmware::::::::`

Operator: OR

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

References

https://www.se.com/ww/en/download/document/SEVD-2020-343-03/
Source: [email protected]

Vendor Advisory
https://www.se.com/ww/en/download/document/SEVD-2020-343-03/
Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory