IM
IronMonkey Threat Research

CVE-2020-7498 CRITICAL

Published: 2020-06-16 | Last Modified: 2024-11-21 | Status: Modified

Description

A CWE-798: Use of Hard-coded Credentials vulnerability exists in the Unity Loader and OS Loader Software (all versions). The fixed credentials are used to simplify file transfer. Today the use of fixed credentials is considered a vulnerability, which could cause unauthorized access to the file transfer service provided by the Modicon PLCs. This could result in various unintended results.

Additional Descriptions (1)

Una CWE-798: Se presenta una vulnerabilidad de Uso de Credenciales Embebidas en Unity Loader and OS Loader Software (todas las versiones). Las credenciales fijas son usadas para simplificar la transferencia de archivo. Hoy en día, el uso de credenciales fijas es considerada una vulnerabilidad, lo que podría causar acceso no autorizado al servicio de transferencia de archivos proporcionado por los PLC Modicon. Esto podría conllevar a varios resultados no deseados

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] Secondary
en CWE-798
[email protected] Primary
en CWE-798

Affected Products

Vendor Product Version Update Type
schneider-electric os_loader * <built-in method update of dict object at 0x7e60ba0adc00> Application
schneider-electric unity_loader * <built-in method update of dict object at 0x7e613cd84800> Application

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:schneider-electric:os_loader:*:*:*:*:*:*:*:*
Yes cpe:2.3:a:schneider-electric:unity_loader:*:*:*:*:*:*:*:*

References

Notification
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