// For flags

CVE-2021-22800

 

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-20: Improper Input Validation vulnerability exists that could cause a Denial of Service when a crafted packet is sent to the controller over network port 1105/TCP. Affected Product: Modicon M218 Logic Controller (V5.1.0.6 and prior)

Una CWE-20: Se presenta una vulnerabilidad de Comprobación de Entrada Inapropiada que podría causar una denegación de servicio cuando es enviado un paquete diseñado al controlador a través del puerto de red 1105/TCP. Producto afectado: Modicon M218 Logic Controller (versiones V5.1.0.6 y anteriores)

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
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
  • 2022-02-11 CVE Published
  • 2024-08-03 CVE Updated
  • 2024-10-27 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-20: Improper Input Validation
CAPEC
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"
 Modicon M218 Firmware
Search vendor "Schneider-electric" for product "Modicon M218 Firmware"
 <= 5.1.0.6
Search vendor "Schneider-electric" for product "Modicon M218 Firmware" and version " <= 5.1.0.6"
-
Affected
in Schneider-electric
Search vendor "Schneider-electric"
 Modicon M218
Search vendor "Schneider-electric" for product "Modicon M218"
--
Safe