# CVE-2026-54799

## Summary

- **CVE ID:** CVE-2026-54799
- **Severity:** HIGH
- **CVSS Score:** 8.4 (CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-489
- **Published:** Jul 9, 2026
- **Last Modified:** Jul 9, 2026

## 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.

## Affected Products

- Siemens — CPCI85 Central Processing/Communication (0)
- Siemens — SICORE Base system (0)

## References

- [CNA](https://cert-portal.siemens.com/productcert/html/ssa-229470.html)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.18%
- **EPSS Percentile:** 8.0

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._