Filtered by vendor Openvpn
Subscriptions
Total
66 CVE
| CVE | Vendors | Products | Updated | CVSS v3.1 |
|---|---|---|---|---|
| CVE-2025-50055 | 1 Openvpn | 2 Openvpn, Openvpn Access Server | 2025-10-30 | 6.4 Medium |
| Cross-site scripting (XSS) vulnerability in the SAML Authentication module in OpenVPN Access Server version 2.14.0 through 2.14.3 allows configured remote SAML Assertion Consumer Service (ACS) endpoint servers to inject arbitrary web script or HTML via the RelayState parameter | ||||
| CVE-2025-10680 | 1 Openvpn | 1 Openvpn | 2025-10-27 | 8.8 High |
| OpenVPN 2.7_alpha1 through 2.7_beta1 on POSIX based platforms allows a remote authenticated server to inject shell commands via DNS variables when --dns-updown is in use | ||||
| CVE-2025-2704 | 1 Openvpn | 1 Openvpn | 2025-10-23 | 7.5 High |
| 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 | ||||
| CVE-2024-13454 | 1 Openvpn | 1 Easy-rsa | 2025-08-22 | 5.3 Medium |
| Weak encryption algorithm in Easy-RSA version 3.0.5 through 3.1.7 allows a local attacker to more easily bruteforce the private CA key when created using OpenSSL 3 | ||||
| CVE-2024-1305 | 1 Openvpn | 1 Tap-windows6 | 2025-08-22 | 9.8 Critical |
| tap-windows6 driver version 9.26 and earlier does not properly check the size data of incomming write operations which an attacker can use to overflow memory buffers, resulting in a bug check and potentially arbitrary code execution in kernel space | ||||
| CVE-2025-50054 | 1 Openvpn | 1 Ovpn-dco-win | 2025-08-21 | 5.5 Medium |
| Buffer overflow in OpenVPN ovpn-dco-win version 1.3.0 and earlier and version 2.5.8 and earlier allows a local user process to send a too large control message buffer to the kernel driver resulting in a system crash | ||||
| CVE-2023-6247 | 1 Openvpn | 1 Openvpn 3 | 2025-08-21 | 6.5 Medium |
| The PKCS#7 parser in OpenVPN 3 Core Library versions through 3.8.3 did not properly validate the parsed data, which would result in the application crashing. | ||||
| CVE-2025-3908 | 2 Linux, Openvpn | 2 Linux Kernel, Openvpn3linux | 2025-06-12 | 6.2 Medium |
| The configuration initialization tool in OpenVPN 3 Linux v20 through v24 on Linux allows a local attacker to use symlinks pointing at an arbitrary directory which will change the ownership and permissions of that destination directory. | ||||
| CVE-2023-46849 | 3 Debian, Fedoraproject, Openvpn | 4 Debian Linux, Fedora, Openvpn and 1 more | 2025-06-11 | 7.5 High |
| Using the --fragment option in certain configuration setups OpenVPN version 2.6.0 to 2.6.6 allows an attacker to trigger a divide by zero behaviour which could cause an application crash, leading to a denial of service. | ||||
| CVE-2024-8474 | 1 Openvpn | 1 Connect | 2025-06-10 | 7.5 High |
| OpenVPN Connect before version 3.5.0 can contain the configuration profile's clear-text private key which is logged in the application log, which an unauthorized actor can use to decrypt the VPN traffic | ||||
| CVE-2024-5594 | 1 Openvpn | 1 Openvpn | 2025-06-10 | 9.1 Critical |
| OpenVPN before 2.6.11 does not santize PUSH_REPLY messages properly which an attacker controlling the server can use to inject unexpected arbitrary data ending up in client logs. | ||||
| CVE-2024-28882 | 1 Openvpn | 1 Openvpn | 2025-06-10 | 4.3 Medium |
| OpenVPN from 2.6.0 through 2.6.10 in a server role accepts multiple exit notifications from authenticated clients which will extend the validity of a closing session | ||||
| CVE-2024-5198 | 1 Openvpn | 1 Ovpn-dco-win | 2025-06-10 | 3.3 Low |
| OpenVPN ovpn-dco for Windows version 1.1.1 allows an unprivileged local attacker to send I/O control messages with invalid data to the driver resulting in a NULL pointer dereference leading to a system halt. | ||||
| CVE-2023-7235 | 1 Openvpn | 1 Openvpn Gui | 2025-05-06 | 8.4 High |
| The OpenVPN GUI installer before version 2.6.9 did not set the proper access control restrictions to the installation directory of OpenVPN binaries when using a non-standard installation path, which allows an attacker to replace binaries to run arbitrary executables. | ||||
| CVE-2024-4877 | 2 Microsoft, Openvpn | 2 Windows, Openvpn | 2025-04-29 | 8.8 High |
| OpenVPN version 2.4.0 through 2.6.10 on Windows allows an external, lesser privileged process to create a named pipe which the OpenVPN GUI component would connect to allowing it to escalate its privileges | ||||
| CVE-2022-0547 | 3 Debian, Fedoraproject, Openvpn | 3 Debian Linux, Fedora, Openvpn | 2025-04-23 | 9.8 Critical |
| OpenVPN 2.1 until v2.4.12 and v2.5.6 may enable authentication bypass in external authentication plug-ins when more than one of them makes use of deferred authentication replies, which allows an external user to be granted access with only partially correct credentials. | ||||
| CVE-2017-7478 | 1 Openvpn | 1 Openvpn | 2025-04-20 | N/A |
| OpenVPN version 2.3.12 and newer is vulnerable to unauthenticated Denial of Service of server via received large control packet. Note that this issue is fixed in 2.3.15 and 2.4.2. | ||||
| CVE-2017-7508 | 1 Openvpn | 1 Openvpn | 2025-04-20 | N/A |
| OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to remote denial-of-service when receiving malformed IPv6 packet. | ||||
| CVE-2017-7479 | 1 Openvpn | 1 Openvpn | 2025-04-20 | N/A |
| OpenVPN versions before 2.3.15 and before 2.4.2 are vulnerable to reachable assertion when packet-ID counter rolls over resulting into Denial of Service of server by authenticated attacker. | ||||
| CVE-2017-12166 | 2 Debian, Openvpn | 2 Debian Linux, Openvpn | 2025-04-20 | 9.8 Critical |
| OpenVPN versions before 2.3.3 and 2.4.x before 2.4.4 are vulnerable to a buffer overflow vulnerability when key-method 1 is used, possibly resulting in code execution. | ||||