CVSS: 7.5EPSS: %CPEs: 1EXPL: 0CVE-2025-13086
https://notcve.org/view.php?id=CVE-2025-13086
03 Dec 2025 — Improper validation of source IP addresses in OpenVPN version 2.6.0 through 2.7_rc1 allows an attacker to open a session from a different IP address which did not initiate the connection resulting in a denial of service for the originating client • https://community.openvpn.net/Security%20Announcements/CVE-2025-13086 • CWE-940: Improper Verification of Source of a Communication Channel •
CVSS: 5.5EPSS: %CPEs: 1EXPL: 0CVE-2025-13751
https://notcve.org/view.php?id=CVE-2025-13751
03 Dec 2025 — Interactive service agent in OpenVPN version 2.5.0 through 2.7_rc2 on Windows allows a local authenticated user to connect to the service and trigger an error causing a local denial of service. • https://community.openvpn.net/Security%20Announcements/CVE-2025-13751 • CWE-770: Allocation of Resources Without Limits or Throttling CWE-775: Missing Release of File Descriptor or Handle after Effective Lifetime CWE-841: Improper Enforcement of Behavioral Workflow •
CVSS: 8.8EPSS: 0%CPEs: 1EXPL: 0CVE-2024-4877
https://notcve.org/view.php?id=CVE-2024-4877
03 Apr 2025 — 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 • https://community.openvpn.net/openvpn/wiki/CVE-2024-4877 • CWE-268: Privilege Chaining •
CVSS: 7.5EPSS: 0%CPEs: 1EXPL: 0CVE-2025-2704 – Ubuntu Security Notice USN-7411-1
https://notcve.org/view.php?id=CVE-2025-2704
02 Apr 2025 — 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 It was discovered that OpenVPN incorrectly handled certain malformed packets. A remote attacker could possibly use this issue to cause OpenVPN to crash, resulting in a denial of service. • https://community.openvpn.net/openvpn/wiki/CVE-2025-2704 • CWE-754: Improper Check for Unusual or Exceptional Conditions •
CVSS: 10.0EPSS: 7%CPEs: 2EXPL: 0CVE-2024-27903
https://notcve.org/view.php?id=CVE-2024-27903
08 Jul 2024 — OpenVPN plug-ins on Windows with OpenVPN 2.6.9 and earlier could be loaded from any directory, which allows an attacker to load an arbitrary plug-in which can be used to interact with the privileged OpenVPN interactive service. Los complementos de OpenVPN en Windows con OpenVPN 2.6.9 y versiones anteriores se pueden cargar desde cualquier directorio, lo que permite a un atacante cargar un complemento arbitrario que puede usarse para interactuar con el servicio interactivo privilegiado OpenVPN. • https://community.openvpn.net/openvpn/wiki/CVE-2024-27903 • CWE-283: Unverified Ownership CWE-434: Unrestricted Upload of File with Dangerous Type •
CVSS: 7.8EPSS: 11%CPEs: 2EXPL: 0CVE-2024-24974
https://notcve.org/view.php?id=CVE-2024-24974
08 Jul 2024 — The interactive service in OpenVPN 2.6.9 and earlier allows the OpenVPN service pipe to be accessed remotely, which allows a remote attacker to interact with the privileged OpenVPN interactive service. El servicio interactivo en OpenVPN 2.6.9 y versiones anteriores permite acceder remotamente al canal del servicio OpenVPN, lo que permite a un atacante remoto interactuar con el servicio interactivo privilegiado OpenVPN. • https://community.openvpn.net/openvpn/wiki/CVE-2024-24974 • CWE-923: Improper Restriction of Communication Channel to Intended Endpoints •
CVSS: 7.8EPSS: 5%CPEs: 2EXPL: 0CVE-2024-27459
https://notcve.org/view.php?id=CVE-2024-27459
08 Jul 2024 — The interactive service in OpenVPN 2.6.9 and earlier allows an attacker to send data causing a stack overflow which can be used to execute arbitrary code with more privileges. El servicio interactivo en OpenVPN 2.6.9 y versiones anteriores permite a un atacante enviar datos provocando un desbordamiento de pila que puede usarse para ejecutar código arbitrario con más privilegios. • https://community.openvpn.net/openvpn/wiki/CVE-2024-27459 • CWE-121: Stack-based Buffer Overflow CWE-787: Out-of-bounds Write •
CVSS: 9.1EPSS: 0%CPEs: 1EXPL: 0CVE-2024-5594 – Ubuntu Security Notice USN-6860-1
https://notcve.org/view.php?id=CVE-2024-5594
03 Jul 2024 — OpenVPN before 2.6.11 does not santize PUSH_REPLY messages properly which attackers can use to inject unexpected arbitrary data into third-party executables or plug-ins. OpenVPN anterior a 2.6.11 no desinfecta adecuadamente los mensajes PUSH_REPLY, lo cual los atacantes pueden usar para inyectar datos arbitrarios inesperados en ejecutables o complementos de terceros. OpenVPN before 2.6.11 does not santize PUSH_REPLY messages properly which an attacker controlling the server can use to inject unexpected arbi... • https://community.openvpn.net/openvpn/wiki/CVE-2024-5594 • CWE-1287: Improper Validation of Specified Type of Input •
CVSS: 4.3EPSS: 0%CPEs: 1EXPL: 0CVE-2024-28882 – Ubuntu Security Notice USN-6860-1
https://notcve.org/view.php?id=CVE-2024-28882
03 Jul 2024 — 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 OpenVPN 2.6.10 y versiones anteriores en una función de servidor aceptan múltiples notificaciones de salida de clientes autenticados que extenderán la validez de una sesión de cierre Reynir Bjoernsson discovered that OpenVPN incorrectly handled terminating client connections. A remote authenticated client could possibly use this issue to keep t... • https://community.openvpn.net/openvpn/wiki/CVE-2024-28882 • CWE-772: Missing Release of Resource after Effective Lifetime •
CVSS: 8.4EPSS: 0%CPEs: 1EXPL: 0CVE-2023-7235
https://notcve.org/view.php?id=CVE-2023-7235
21 Feb 2024 — 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. El instalador de la GUI de OpenVPN anterior a la versión 2.6.9 no establecía las restricciones de control de acceso adecuadas al directorio de instalación de los archivos binarios de OpenVPN cuando usaba una ruta de instalación no estándar, lo ... • https://community.openvpn.net/openvpn/wiki/CVE-2023-7235 • CWE-276: Incorrect Default Permissions •