IM
IronMonkey Threat Research

CVE-2018-7845 HIGH

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

Description

A CWE-125: Out-of-bounds Read vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause the disclosure of unexpected data from the controller when reading specific memory blocks in the controller over Modbus.

Additional Descriptions (1)

CWE-125: Existe una vulnerabilidad de lectura fuera de límites en todas las versiones de Modicon M580, Modicon M340, Modicon Quantum y Modicon Premium, lo que podría provocar la divulgación de datos inesperados del controlador cuando se lee bloques de memoria específicos en el controlador sobre protocolo Modbus.

CVSS Metrics

Base Score: 7.5 (HIGH)

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

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

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: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-125

Affected Products

Vendor Product Version Update Type
schneider-electric modicon_m580_firmware * <built-in method update of dict object at 0x7e60eb25c880> Operating System
schneider-electric modicon_m340_firmware * <built-in method update of dict object at 0x7e6112373f40> Operating System
schneider-electric modicon_quantum_firmware * <built-in method update of dict object at 0x7e60baa37b40> Operating System
schneider-electric modicon_premium_firmware * <built-in method update of dict object at 0x7e6110f06b00> 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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