---
cve: "CVE-2021-20994"
severity: "HIGH"
cvss: 8.8
epss: "63%"
vendor: "WAGO"
kev: false
exploited: false
published: "2021-05-13 14:15:17"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-16T15:43:35+02:00"
---

# CVE-2021-20994

> 8.8 HIGH

## Beschreibung

In multiple managed switches by WAGO in different versions an attacker may trick a legitimate user to click a link to inject possible malicious code into the Web-Based Management.

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Erforderlich | good |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Referenzen

- <https://cert.vde.com/en-us/advisories/vde-2021-013>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2021-20994) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_