CVE-2021-22816 HIGH

Published: 2022-01-28 | Last Modified: 2024-11-21 | Status: Modified

Description

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists that could cause a Denial of Service of the RTU when receiving a specially crafted request over Modbus, and the RTU is configured as a Modbus server. Affected Products: SCADAPack 312E, 313E, 314E, 330E, 333E, 334E, 337E, 350E and 357E RTUs with firmware V8.18.1 and prior

Additional Descriptions (1)

Una CWE-754: Se presenta una vulnerabilidad de Comprobación Inapropiada de Condiciones Inusuales o Excepcionales que podría causar una denegación de servicio del RTU cuando es recibida una petición especialmente diseñada a través de Modbus, y el RTU está configurado como un servidor Modbus. Productos afectados: SCADAPack 312E, 313E, 314E, 330E, 333E, 334E, 337E, 350E y 357E RTUs con firmware V8.18.1 y anteriores

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: 7.8 (HIGH)

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

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

Source: [email protected]

Type: Primary

Exploitability Score: 10.0

Impact Score: 6.9

Weaknesses

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

Affected Products

Vendor	Product	Version	Update	Type
schneider-electric	scadapack_312e_firmware	*	<built-in method update of dict object at 0x7e60a8a57b00>	Operating System
schneider-electric	scadapack_313e_firmware	*	<built-in method update of dict object at 0x7e60bb886480>	Operating System
schneider-electric	scadapack_314e_firmware	*	<built-in method update of dict object at 0x7e60bb884800>	Operating System
schneider-electric	scadapack_330e_firmware	*	<built-in method update of dict object at 0x7e60a8a54c00>	Operating System
schneider-electric	scadapack_333e_firmware	*	<built-in method update of dict object at 0x7e60a8a57f80>	Operating System
schneider-electric	scadapack_334e_firmware	*	<built-in method update of dict object at 0x7e60a8a54d00>	Operating System
schneider-electric	scadapack_337e_firmware	*	<built-in method update of dict object at 0x7e60ba9bcd00>	Operating System
schneider-electric	scadapack_350e_firmware	*	<built-in method update of dict object at 0x7e60ba9bc280>	Operating System
schneider-electric	scadapack_357e_firmware	*	<built-in method update of dict object at 0x7e60bb887380>	Operating System

Affected Configurations

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:scadapack_312e_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:scadapack_312e:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:scadapack_313e_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:scadapack_313e:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:scadapack_314e_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:scadapack_314e:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:scadapack_330e_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:scadapack_330e:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:scadapack_333e_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:scadapack_333e:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:scadapack_334e_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:scadapack_334e:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:scadapack_337e_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:scadapack_337e:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:scadapack_350e_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:scadapack_350e:-:::::::*`

Operator: OR

Vulnerable	CPE
Yes	`cpe:2.3:o:schneider-electric:scadapack_357e_firmware::::::::`

Operator: OR

Vulnerable	CPE
No	`cpe:2.3:h:schneider-electric:scadapack_357e:-:::::::*`

References

https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-313-01
Source: [email protected]

Vendor Advisory
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-313-01
Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory