CVE-2026-54800

State
Published
Severity
6.3 Medium
Published
Jul 9, 2026
Updated
Jul 9, 2026
Reserved
Jun 16, 2026

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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.

Scores

CVSSScoreVectorSource
4.06.3 MediumCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:Nsiemens
3.14.8 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:Nsiemens

Weaknesses

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

Affected Products

ProductVersions
CPCI85 Central Processing/CommunicationSiemens
  • before V26.20Affected
SICORE Base systemSiemens
  • before V26.20.0Affected

References

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