---
cve: "CVE-2025-64691"
severity: "CRITICAL"
cvss: 9.3
epss: "30%"
vendor: "AVEVA"
kev: false
exploited: false
published: "2026-01-16 02:16:45"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-17T00:42:34+02:00"
---

# CVE-2025-64691

> 9.3 CRITICAL · 🧪 PoC

## Beschreibung

The vulnerability, if exploited, could allow an authenticated miscreant 
(OS standard user) to tamper with TCL Macro scripts and escalate 
privileges to OS system, potentially resulting in complete compromise of
 the model application server.

## CVSS-Vektor

```
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Lokal | good |
| AC Komplexität | Gering | bad |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |

## Referenzen

- <https://www.aveva.com/en/support-and-success/cyber-security-updates/>
- <https://softwaresupportsp.aveva.com/en-US/downloads/products/details/a643eaa3-0d85-4fde-ac11-5239e87a68ea>
- <https://www.cisa.gov/news-events/ics-advisories/icsa-26-015-01>
- <https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-015-01.json>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2025-64691) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_