Insecure Default Initialization of Resource in CPCI85 and SICORE Base system - CVE-2026-54800
Published: July 10, 2026
Vulnerability identifier: #VU137300
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-54800
CWE-ID: CWE-1188
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Siemens
Affected software:
CPCI85
SICORE Base system
CPCI85
SICORE Base system
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the affected application ships with a default configuration that disables all OPC UA security mechanisms. A remote attacker can gain unauthorized access and control over critical system functions.
How to mitigate CVE-2026-54800
Install updates from vendor's website.