CVE-2026-54799: CPCI85 Central Processing/Communication 0 to before V26.20; +1 more affected products

CVE-2026-54799. CVSS 3.1 base score 6.7 (MEDIUM, Vendor/CNA). EPSS 0.00183 (percentile 0.07525), scored 22-Oct-2026.

Affected technology

CPCI85 Central Processing/Communication · 0 to before V26.20
Siemens

SICORE Base system · 0 to before V26.20.0
Siemens

Description’s affected range: versions < V26.20), SICORE Base system (All versions < V26.20.0)

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Local · High privileges required · No user interaction required

What an attacker can do

An attacker could install malicious firmware, leading to persistent code execution and system compromise. Vendor/CNA’s CVSS 4.0 assessment (base score 8.4/10) rates confidentiality, integrity and availability impact as high.

Published 24-Oct-2026 15:08 UTC

CWE: CWE-489
CCR priority: 26.8 /100 (P4)
CVSS 3.1: 6.7 /10 · CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H · Vendor/CNA
EPSS: 0.00183 · percentile 0.07515 · 2026-10-24
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-24 15:09:16.138216+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-24 15:07:27.951960+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-54799.html