IM
IronMonkey Threat Research

CVE-2020-7559 HIGH

Published: 2020-11-19 | Last Modified: 2024-11-21 | Status: Modified

Description

A CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability exists in PLC Simulator on EcoStruxureª Control Expert (now Unity Pro) (all versions) that could cause a crash of the PLC simulator present in EcoStruxureª Control Expert software when receiving a specially crafted request over Modbus.

Additional Descriptions (1)

CWE-120: Se presenta una vulnerabilidad de Copia del Búfer sin Comprobar el Tamaño de la Entrada ("Classic Buffer Overflow") en el Simulador de PLC en EcoStruxureª Control Expert (ahora Unity Pro) (todas las versiones) que podría causar un bloqueo del simulador de PLC presente en el software EcoStruxureª Control Expert cuando recibe una petición especialmente diseñada mediante Modbus

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-120

Affected Products

Vendor Product Version Update Type
schneider-electric ecostruxure_control_expert * <built-in method update of dict object at 0x7e6110a54a00> Application

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:schneider-electric:ecostruxure_control_expert:*:*:*:*:*:*:*:*

References

Notification
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