IM
IronMonkey Threat Research

CVE-2019-6831 HIGH

Published: 2019-09-17 | Last Modified: 2026-06-17 | Status: Modified

Description

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in BMXNOR0200H Ethernet / Serial RTU module (all firmware versions), which could cause disconnection of active connections when an unusually high number of IEC 60870- 5-104 packets are received by the module on port 2404/TCP.

Additional Descriptions (1)

Una CWE-754: Se presenta una vulnerabilidad de Comprobación Inapropiada de Condiciones Inusuales o Excepcionales en el módulo BMXNOR0200H Ethernet/Serial RTU (todas las versiones de firmware), lo que podría causar la desconexión de las conexiones activas cuando un número inusualmente alto de paquetes IEC 60870-5104 son recibidos por parte del módulo sobre el puerto 2404/TCP.

CVSS Metrics

Base Score: 8.6 (HIGH)

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

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

Source: [email protected]

Type: Primary

Exploitability Score: 3.9

Impact Score: 4.0

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-754
[email protected] Primary
en CWE-754

Affected Products

Vendor Product Version Update Type
schneider-electric bmxnor0200h_firmware * <built-in method update of dict object at 0x7e6110a9fa00> Operating System

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:schneider-electric:bmxnor0200h_firmware:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
No cpe:2.3:h:schneider-electric:bmxnor0200h:-:*:*:*:*:*:*:*
Notification
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