CVE-2021-22746

Severity Score

3.9

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex Model 3009 MP installed on Tricon V11.3.x systems that could cause module reset when TCM receives malformed TriStation packets while the write-protect keyswitch is in the program position. This CVE ID is unique from CVE-2021-22742, CVE-2021-22744, CVE-2021-22745, and CVE-2021-22747.

Se presenta una vulnerabilidad de Comprobación Inapropiada de Condiciones Inusuales o Excepcionales en Triconex Model 3009 MP instalado en sistemas Tricon versión V11.3.x, que podría causar el reinicio del módulo cuando el TCM recibe paquetes TriStation malformados mientras el interruptor de llave de protección contra escritura está en la posición de programa. Este ID de CVE es diferente de CVE-2021-22742, CVE-2021-22744, CVE-2021-22745 y CVE-2021-22747

*Credits: N/A

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-06 CVE Reserved
2021-05-26 CVE Published
2023-03-08 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-754: Improper Check for Unusual or Exceptional Conditions

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-03	2021-06-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Schneider-electric Search vendor "Schneider-electric"	Triconex Model 3009 Mp Firmware Search vendor "Schneider-electric" for product "Triconex Model 3009 Mp Firmware"	>= 11.3.0 < 11.8.0 Search vendor "Schneider-electric" for product "Triconex Model 3009 Mp Firmware" and version " >= 11.3.0 < 11.8.0"	-	Affected	in	Schneider-electric Search vendor "Schneider-electric"	Triconex Model 3009 Mp Search vendor "Schneider-electric" for product "Triconex Model 3009 Mp"	-	-	Safe
Schneider-electric Search vendor "Schneider-electric"	Tcm 4351b Firmware Search vendor "Schneider-electric" for product "Tcm 4351b Firmware"	>= 11.3.0 < 11.5.1 Search vendor "Schneider-electric" for product "Tcm 4351b Firmware" and version " >= 11.3.0 < 11.5.1"	-	Affected	in	Schneider-electric Search vendor "Schneider-electric"	Tcm 4351b Search vendor "Schneider-electric" for product "Tcm 4351b"	-	-	Safe
Schneider-electric Search vendor "Schneider-electric"	Tcm 4351b Firmware Search vendor "Schneider-electric" for product "Tcm 4351b Firmware"	11.7.0 Search vendor "Schneider-electric" for product "Tcm 4351b Firmware" and version "11.7.0"	-	Affected	in	Schneider-electric Search vendor "Schneider-electric"	Tcm 4351b Search vendor "Schneider-electric" for product "Tcm 4351b"	-	-	Safe