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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 contains a vulnerability in its firmware update mechanism's signature validation process. This could allow an attacker to install malicious firmware, leading to persistent code execution and system compromise.

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




MEDIUM: 6.7CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
HIGH: 8.4CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Problem types

CWE-489: Active Debug Code

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-2026-54799)

nvd.nist.gov (CVE-2026-54799)

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