IM
IronMonkey Threat Research

CVE-2020-7567 HIGH

Published: 2020-11-19 | Last Modified: 2026-05-29 | Status: Modified

Description

A CWE-311: Missing Encryption of Sensitive Data vulnerability exists in Modicon M221 (all references, all versions) that could allow the attacker to find the password hash when the attacker has captured the traffic between EcoStruxure Machine - Basic software and Modicon M221 controller and broke the encryption keys.

Additional Descriptions (1)

CWE-311: Se presenta una vulnerabilidad Falta Cifrado de Datos Confidenciales en Modicon M221 (todas las referencias, todas las versiones) que podría permitir al atacante encontrar el hash de contraseña cuando el atacante haya capturado el tráfico entre EcoStruxure Machine - Software básico y el controlador Modicon M221 y rompió las claves de cifrado

CVSS Metrics

Base Score: 5.7 (MEDIUM)

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

Attack VectorADJACENT_NETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionREQUIRED
ScopeUNCHANGED
Confidentiality ImpactHIGH
Integrity ImpactNONE
Availability ImpactNONE

Source: [email protected]

Type: Primary

Exploitability Score: 2.1

Impact Score: 3.6

Base Score: 2.9 (LOW)

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

Access VectorADJACENT_NETWORK
Access ComplexityMEDIUM
AuthenticationNONE
Confidentiality ImpactPARTIAL
Integrity ImpactNONE
Availability ImpactNONE

Source: [email protected]

Type: Primary

Exploitability Score: 5.5

Impact Score: 2.9

Weaknesses

Source Type Description
[email protected] Secondary
en CWE-311

Affected Products

Vendor Product Version Update Type
schneider-electric modicon_m221_firmware - <built-in method update of dict object at 0x7e6111c1c280> Operating System

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:schneider-electric:modicon_m221_firmware:-:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
No cpe:2.3:h:schneider-electric:modicon_m221:-:*:*:*:*:*:*:*

References

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