📦 Openvpn

by Openvpn

🔍 What is Openvpn?

Description coming soon...

🛡️ Security Overview

Click on a severity to filter vulnerabilities

⚠️ Known Vulnerabilities

CVE-2024-5594

CRITICAL CVSS 9.1 Jan 6, 2025

OpenVPN clients before version 2.6.11 are vulnerable to log injection attacks when connecting to malicious servers. An attacker controlling an OpenVPN server can inject arbitrary data into client logs...

CVE-2024-27903

CRITICAL CVSS 9.8 Jul 8, 2024

CVE-2024-27903 is a critical vulnerability in OpenVPN on Windows where plug-ins can be loaded from any directory, allowing attackers to execute arbitrary code with elevated privileges. This affects Op...

CVE-2023-46850

CRITICAL CVSS 9.8 Nov 11, 2023

CVE-2023-46850 is a use-after-free vulnerability in OpenVPN that can lead to memory corruption, information disclosure, or remote code execution when processing network buffers. This affects OpenVPN s...

CVE-2022-0547

CRITICAL CVSS 9.8 Mar 18, 2022

This vulnerability allows authentication bypass in OpenVPN when using external authentication plugins with deferred authentication replies. Attackers can gain access with only partially correct creden...

CVE-2025-13086

HIGH CVSS 7.5 Dec 3, 2025

This vulnerability in OpenVPN allows attackers to hijack VPN sessions by spoofing source IP addresses, causing denial of service for legitimate clients. It affects OpenVPN servers running vulnerable v...

CVE-2024-4877

HIGH CVSS 8.8 Apr 3, 2025

This vulnerability allows a lower-privileged process on Windows to create a named pipe that the OpenVPN GUI component automatically connects to, enabling privilege escalation to SYSTEM level. It affec...

CVE-2025-2704

HIGH CVSS 7.5 Apr 2, 2025

This vulnerability allows remote attackers to cause a denial of service in OpenVPN servers by corrupting and replaying network packets during the early TLS handshake phase. It affects OpenVPN servers ...

CVE-2024-24974

HIGH CVSS 7.5 Jul 8, 2024

CVE-2024-24974 allows remote attackers to interact with the privileged OpenVPN interactive service pipe, potentially enabling unauthorized access or control. This affects OpenVPN 2.6.9 and earlier ver...

CVE-2020-20813

HIGH CVSS 7.5 Aug 22, 2023

This vulnerability in OpenVPN allows remote attackers to send crafted reset packets through the control channel, causing a denial of service (DoS) condition. It affects OpenVPN servers and clients run...

CVE-2021-3547

HIGH CVSS 7.4 Jul 12, 2021

This vulnerability allows a man-in-the-middle attacker to bypass certificate authentication in OpenVPN 3 Core Library by presenting an unrelated server certificate with the same hostname specified in ...

CVE-2025-13751

MEDIUM CVSS 5.5 Dec 3, 2025

A local denial-of-service vulnerability in OpenVPN's Windows interactive service agent allows authenticated local users to crash the service by triggering an error. This affects OpenVPN versions 2.5.0...