CVE-2026-54800
CVSS Score
4.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-1188 |
| Vendor | siemens |
| Product | cpci85 central processing/communication |
| Ecosystems | |
| Industries | IndustrialManufacturing |
| Published | Jul 9, 2026 |
| Last Updated | Jul 9, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Siemens / CPCI85 Central Processing/Communication
0 < V26.20
Siemens / SICORE Base system
0 < V26.20.0