IM
IronMonkey Threat Research

CVE-2018-7847 CRITICAL

Published: 2019-05-22 | Last Modified: 2026-06-17 | Status: Modified

Description

A CWE-284: Improper Access Control vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause denial of service or potential code execution by overwriting configuration settings of the controller over Modbus.

Additional Descriptions (1)

CWE-284: Existe una vulnerabilidad de Control de Acceso inapropiado en todas las versiones de Modicon M580, Modicon M340, Modicon Quantum y Modicon Premium, que podría generar la Denegación de Servicio o la potencial ejecución de código al sobrescribir en los ajustes de configuración del controlador sobre protocolo Modbus.

CVSS Metrics

Base Score: 9.8 (CRITICAL)

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

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

Source: [email protected]

Type: Primary

Exploitability Score: 3.9

Impact Score: 5.9

Base Score: 7.5 (HIGH)

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

Access VectorNETWORK
Access ComplexityLOW
AuthenticationNONE
Confidentiality ImpactPARTIAL
Integrity ImpactPARTIAL
Availability ImpactPARTIAL

Source: [email protected]

Type: Primary

Exploitability Score: 10.0

Impact Score: 6.4

Weaknesses

Source Type Description
[email protected] Primary
en CWE-287

Affected Products

Vendor Product Version Update Type
schneider-electric modicon_m580_firmware * <built-in method update of dict object at 0x7e60baa0ba00> Operating System
schneider-electric modicon_m340_firmware * <built-in method update of dict object at 0x7e60baa0a280> Operating System
schneider-electric modicon_quantum_firmware * <built-in method update of dict object at 0x7e613c3d6dc0> Operating System
schneider-electric modicon_premium_firmware * <built-in method update of dict object at 0x7e6134293580> Operating System

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:schneider-electric:modicon_m580_firmware:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
No cpe:2.3:h:schneider-electric:modicon_m580:-:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:schneider-electric:modicon_m340_firmware:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
No cpe:2.3:h:schneider-electric:modicon_m340:-:*:*:*:*:*:*:*

Operator: OR

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

Operator: OR

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

Operator: OR

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

Operator: OR

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