// For flags

CVE-2020-7524

 

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

Out-of-bounds Write vulnerability exists in Modicon M218 Logic Controller (V5.0.0.7 and prior) which could cause Denial of Service when sending specific crafted IPV4 packet to the controller: Sending a specific IPv4 protocol package to Schneider Electric Modicon M218 Logic Controller can cause IPv4 devices to go down. The device does not work properly and must be powered back on to return to normal.

Se presenta una vulnerabilidad de Escritura Fuera de Límites en Modicon M218 Logic Controller (versiones V5.0.0.7 y anteriores) que podría causar una Denegación de Servicio al enviar un paquete IPV4 específico diseñado hacia el controlador: Envío de un paquete de protocolo IPv4 específico hacia Schneider Electric Modicon M218 Logic Controller puede causar que los dispositivos IPv4 se caigan. El dispositivo no funciona apropiadamente y debe volver a encenderse para volver a la normalidad

*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
  • 2020-01-21 CVE Reserved
  • 2020-08-31 CVE Published
  • 2023-05-17 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-787: Out-of-bounds Write
CAPEC
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
URL Date SRC
https://www.se.com/ww/en/download/document/SEVD-2020-224-03 2022-01-31
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"
 <= 5.0.0.7
Search vendor "Schneider-electric" for product "Modicon M218 Firmware" and version " <= 5.0.0.7"
-
Affected
in Schneider-electric
Search vendor "Schneider-electric"
 Modicon M218
Search vendor "Schneider-electric" for product "Modicon M218"
--
Safe