---
cve: "CVE-2025-2704"
severity: "HIGH"
cvss: 7.5
epss: "82%"
vendor: "OpenVPN"
kev: false
exploited: false
published: "2025-04-02 21:15:32"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-17T14:29:02+02:00"
---

# CVE-2025-2704

> 7.5 HIGH

## Beschreibung

OpenVPN version 2.6.1 through 2.6.13 in server mode using TLS-crypt-v2 allows remote attackers to trigger a denial of service by corrupting and replaying network packets in the early handshake phase

## CVSS-Vektor

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

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

## Referenzen

- <https://community.openvpn.net/openvpn/wiki/CVE-2025-2704>
- <https://www.mail-archive.com/openvpn-announce@lists.sourceforge.net/msg00142.html>
- <http://www.openwall.com/lists/oss-security/2025/04/02/5>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2025-2704) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_