CVE-2021-22743
Severity Score
3.9
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex TCM 4351B 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.
Existe una vulnerabilidad de comprobación inadecuada de condiciones inusuales o excepcionales en el Triconex TCM 4351B instalado en sistemas Tricon versiones 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
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* 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
|