---
cve: "CVE-2026-54800"
severity: "MEDIUM"
cvss: 6.3
epss: "15%"
vendor: "Siemens"
kev: false
exploited: false
published: "2026-07-09 15:16:36"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-10T04:55:16+02:00"
---

# CVE-2026-54800

> 6.3 MEDIUM

## Beschreibung

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.

## CVSS-Vektor

```
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
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Hoch | good |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |

## Referenzen

- <https://cert-portal.siemens.com/productcert/html/ssa-229470.html>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-54800) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_