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Description

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.

PUBLISHED Reserved 2026-06-16 | Published 2026-07-09 | Updated 2026-07-09 | Assigner siemens




MEDIUM: 4.8CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
MEDIUM: 6.3CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Problem types

CWE-1188: Initialization of a Resource with an Insecure Default

Product status

Default status
unknown

Any version before V26.20
affected

Default status
unknown

Any version before V26.20.0
affected

References

cert-portal.siemens.com/productcert/html/ssa-229470.html

cve.org (CVE-2026-54800)

nvd.nist.gov (CVE-2026-54800)

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