IM
IronMonkey Threat Research

CVE-2021-22800 HIGH

Published: 2022-02-11 | Last Modified: 2024-11-21 | Status: Modified

Description

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)

Additional Descriptions (1)

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)

CVSS Metrics

Base Score: 7.5 (HIGH)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
Confidentiality ImpactNONE
Integrity ImpactNONE
Availability ImpactHIGH

Source: [email protected]

Type: Primary

Exploitability Score: 3.9

Impact Score: 3.6

Base Score: 5.0 (MEDIUM)

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access VectorNETWORK
Access ComplexityLOW
AuthenticationNONE
Confidentiality ImpactNONE
Integrity ImpactNONE
Availability ImpactPARTIAL

Source: [email protected]

Type: Primary

Exploitability Score: 10.0

Impact Score: 2.9

Weaknesses

Source Type Description
[email protected] Secondary
en CWE-20

Affected Products

Vendor Product Version Update Type
schneider-electric modicon_m218_firmware * <built-in method update of dict object at 0x7e60bacd5540> Operating System

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:schneider-electric:modicon_m218_firmware:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
No cpe:2.3:h:schneider-electric:modicon_m218:-:*:*:*:*:*:*:*
Notification
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