IM
IronMonkey Threat Research

CVE-2020-7502 HIGH

Published: 2020-06-16 | Last Modified: 2024-11-21 | Status: Modified

Description

A CWE-787: Out-of-bounds Write vulnerability exists in Modicon M218 Logic Controller (Firmware version 4.3 and prior), which may cause a Denial of Service when specific TCP/IP crafted packets are sent to the Modicon M218 Logic Controller.

Additional Descriptions (1)

Una CWE-787: Se presenta una vulnerabilidad de Escritura Fuera de Límites en Modicon M218 Logic Controller (versiones de Firmware 4.3 y anteriores), lo que puede causar una Denegación de Servicio cuando son enviados paquetes específicos TCP/IP hacia el Controlador Lógico Modicon M218

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-787
[email protected] Primary
en CWE-787

Affected Products

Vendor Product Version Update Type
schneider-electric modicon_m218_firmware * <built-in method update of dict object at 0x7e60bb887380> 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:-:*:*:*:*:*:*:*

References

Notification
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