CVE-2026-54800

A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions < V26.20), SICORE Base system (All versions < V26.20.0). The affected application ships with a default configuration that disables all OPC UA security mechanisms. This could allow an attacker to gain unauthorized access and control over critical system functions.

CVSS v3 4.8 MEDIUM

4.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://cert-portal.siemens.com/productcert/html/ssa-229470.html

Configurations

No configuration.

History

23 Oct 2026, 23:10

Type	Values Removed	Values Added
Summary		(es) Una vulnerabilidad ha sido identificada en CPCI85 Procesamiento/Comunicación Central (Todas las versiones anteriores a V26.20), sistema base SICORE (Todas las versiones anteriores a V26.20.0). La aplicación afectada se distribuye con una configuración predeterminada que deshabilita todos los mecanismos de seguridad OPC UA. Esto podría permitir a un atacante obtener acceso no autorizado y control sobre funciones críticas del sistema.

Information

Published : 2026-07-09 15:16

Updated : 2026-10-23 23:10

NVD link : CVE-2026-54800

Mitre link : CVE-2026-54800

CVE.ORG link : CVE-2026-54800

JSON object : View

Products Affected

No product.

CWE

CWE-1188

Initialization of a Resource with an Insecure Default

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