IM
IronMonkey Threat Research

CVE-2018-7812 HIGH

Published: 2018-12-17 | Last Modified: 2026-06-17 | Status: Modified

Description

An Information Exposure through Discrepancy vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 where the web server sends different responses in a way that exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.

Additional Descriptions (1)

Existe una vulnerabilidad de divulgación de información mediante discrepancia en los servidores web embebidos en todos los Modicon M340, Premium, Quantum PLCs y BMXNOR0200, donde el servidor web envía diferentes respuestas de forma que expone información relevante para la seguridad sobre el estado del producto, como si una operación en concreto ha sido exitosa o no.

CVSS Metrics

Base Score: 5.0 (MEDIUM)

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

Access VectorNETWORK
Access ComplexityLOW
AuthenticationNONE
Confidentiality ImpactPARTIAL
Integrity ImpactNONE
Availability ImpactNONE

Source: [email protected]

Type: Primary

Exploitability Score: 10.0

Impact Score: 2.9

Weaknesses

Source Type Description
[email protected] Primary
en CWE-200

Affected Products

Vendor Product Version Update Type
schneider-electric modicom_m340_firmware * <built-in method update of dict object at 0x7e6111c1c980> Operating System
schneider-electric modicom_premium_firmware * <built-in method update of dict object at 0x7e6110f85400> Operating System
schneider-electric modicom_quantum_firmware * <built-in method update of dict object at 0x7e6134293580> Operating System
schneider-electric modicom_bmxnor0200h_firmware * <built-in method update of dict object at 0x7e60e8874e00> Operating System

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:schneider-electric:modicom_m340_firmware:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
No cpe:2.3:h:schneider-electric:modicom_m340:-:*:*:*:*:*:*:*

Operator: OR

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

Operator: OR

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

Operator: OR

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

Operator: OR

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

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:schneider-electric:modicom_bmxnor0200h_firmware:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
No cpe:2.3:h:schneider-electric:modicom_bmxnor0200h:-:*:*:*:*:*:*:*
Notification
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