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CVE-2026-54800

MEDIUM
4.8
CVSS 3.1
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.

Metadata

CVE ID
CVE-2026-54800
State
PUBLISHED
Assigner
siemens
Reserved
2026-06-16 07:47 UTC
Published
2026-07-09 14:15 UTC
Last updated
2026-07-09 14:45 UTC
Primary CWE
CWE-1188
CWE-1188: Initialization of a Resource with an Insecure Defa…
Vendor / Product
Siemens / CPCI85 Central Processing/Communication
Sources
cve.org  ·  NVD

Severity & Metrics

4.8 MEDIUM CVSS 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
SSVC — CISA Coordinator
Exploitation
none
Automatable
no
Tech. Impact
partial
Affected products (2)
VendorProductPlatformVersions
Siemens CPCI85 Central Processing/Communication — 0 < V26.20
Siemens SICORE Base system — 0 < V26.20.0
Weakness (CWE)
CWESourceDescription
CWE-1188 cna CWE-1188: Initialization of a Resource with an Insecure Default
CVSS scores (2)
ScoreSeverityVersionSourceVector
6.3 MEDIUM 4.0 cna 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
4.8 MEDIUM 3.1 cna CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
References (1)
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