CVE-2021-22816
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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
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
*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
- 2022-01-28 CVE Published
- 2024-08-03 CVE Updated
- 2024-10-13 EPSS 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-2021-313-01 | 2022-02-03 |
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" | Scadapack 312e Firmware Search vendor "Schneider-electric" for product "Scadapack 312e Firmware" | < 8.19.1 Search vendor "Schneider-electric" for product "Scadapack 312e Firmware" and version " < 8.19.1" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Scadapack 312e Search vendor "Schneider-electric" for product "Scadapack 312e" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Scadapack 313e Firmware Search vendor "Schneider-electric" for product "Scadapack 313e Firmware" | < 8.19.1 Search vendor "Schneider-electric" for product "Scadapack 313e Firmware" and version " < 8.19.1" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Scadapack 313e Search vendor "Schneider-electric" for product "Scadapack 313e" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Scadapack 314e Firmware Search vendor "Schneider-electric" for product "Scadapack 314e Firmware" | < 8.19.1 Search vendor "Schneider-electric" for product "Scadapack 314e Firmware" and version " < 8.19.1" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Scadapack 314e Search vendor "Schneider-electric" for product "Scadapack 314e" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Scadapack 330e Firmware Search vendor "Schneider-electric" for product "Scadapack 330e Firmware" | < 8.19.1 Search vendor "Schneider-electric" for product "Scadapack 330e Firmware" and version " < 8.19.1" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Scadapack 330e Search vendor "Schneider-electric" for product "Scadapack 330e" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Scadapack 333e Firmware Search vendor "Schneider-electric" for product "Scadapack 333e Firmware" | < 8.19.1 Search vendor "Schneider-electric" for product "Scadapack 333e Firmware" and version " < 8.19.1" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Scadapack 333e Search vendor "Schneider-electric" for product "Scadapack 333e" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Scadapack 334e Firmware Search vendor "Schneider-electric" for product "Scadapack 334e Firmware" | < 8.19.1 Search vendor "Schneider-electric" for product "Scadapack 334e Firmware" and version " < 8.19.1" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Scadapack 334e Search vendor "Schneider-electric" for product "Scadapack 334e" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Scadapack 337e Firmware Search vendor "Schneider-electric" for product "Scadapack 337e Firmware" | < 8.19.1 Search vendor "Schneider-electric" for product "Scadapack 337e Firmware" and version " < 8.19.1" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Scadapack 337e Search vendor "Schneider-electric" for product "Scadapack 337e" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Scadapack 350e Firmware Search vendor "Schneider-electric" for product "Scadapack 350e Firmware" | < 8.19.1 Search vendor "Schneider-electric" for product "Scadapack 350e Firmware" and version " < 8.19.1" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Scadapack 350e Search vendor "Schneider-electric" for product "Scadapack 350e" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Scadapack 357e Firmware Search vendor "Schneider-electric" for product "Scadapack 357e Firmware" | < 8.19.1 Search vendor "Schneider-electric" for product "Scadapack 357e Firmware" and version " < 8.19.1" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Scadapack 357e Search vendor "Schneider-electric" for product "Scadapack 357e" | - | - |
Safe
|