Netgear R7000P V1.3.0.8 is vulnerable to Buffer Overflow via parameter openvpn_push1.

An attacker can take leverage on PerFact OpenVPN-Client versions 1.4.1.0 and prior to send the config command from any application running on the local host machine to force the back-end server into initializing a new open-VPN instance with arbitrary open-VPN configuration. This could result in the attacker achieving execution with privileges of a SYSTEM user.

A vulnerability has been identified in RUGGEDCOM RM1224 LTE(4G) EU (All versions < V7.2), RUGGEDCOM RM1224 LTE(4G) NAM (All versions < V7.2), SCALANCE M804PB (All versions < V7.2), SCALANCE M812-1 ADSL-Router (Annex A) (All versions < V7.2), SCALANCE M812-1 ADSL-Router (Annex B) (All versions < V7.2), SCALANCE M816-1 ADSL-Router (Annex A) (All versions < V7.2), SCALANCE M816-1 ADSL-Router (Annex B) (All versions < V7.2), SCALANCE M826-2 SHDSL-Router (All versions < V7.2), SCALANCE M874-2 (All versions < V7.2), SCALANCE M874-3 (All versions < V7.2), SCALANCE M876-3 (EVDO) (All versions < V7.2), SCALANCE M876-3 (ROK) (All versions < V7.2), SCALANCE M876-4 (All versions < V7.2), SCALANCE M876-4 (EU) (All versions < V7.2), SCALANCE M876-4 (NAM) (All versions < V7.2), SCALANCE MUM853-1 (EU) (All versions < V7.2), SCALANCE MUM856-1 (EU) (All versions < V7.2), SCALANCE MUM856-1 (RoW) (All versions < V7.2), SCALANCE S615 (All versions < V7.2), SCALANCE S615 EEC (All versions < V7.2), SCALANCE SC622-2C (All versions < V2.3), SCALANCE SC622-2C (All versions >= V2.3 < V3.0), SCALANCE SC626-2C (All versions < V2.3), SCALANCE SC626-2C (All versions >= V2.3 < V3.0), SCALANCE SC632-2C (All versions < V2.3), SCALANCE SC632-2C (All versions >= V2.3 < V3.0), SCALANCE SC636-2C (All versions < V2.3), SCALANCE SC636-2C (All versions >= V2.3 < V3.0), SCALANCE SC642-2C (All versions < V2.3), SCALANCE SC642-2C (All versions >= V2.3 < V3.0), SCALANCE SC646-2C (All versions < V2.3), SCALANCE SC646-2C (All versions >= V2.3 < V3.0), SCALANCE WAM763-1 (All versions), SCALANCE WAM766-1 (EU) (All versions), SCALANCE WAM766-1 (US) (All versions), SCALANCE WAM766-1 EEC (EU) (All versions), SCALANCE WAM766-1 EEC (US) (All versions), SCALANCE WUM763-1 (All versions), SCALANCE WUM763-1 (All versions), SCALANCE WUM766-1 (EU) (All versions), SCALANCE WUM766-1 (US) (All versions), SIMATIC CP 1242-7 V2 (All versions < V3.3.46), SIMATIC CP 1243-1 (All versions < V3.3.46), SIMATIC CP 1243-7 LTE EU (All versions < V3.3.46), SIMATIC CP 1243-7 LTE US (All versions < V3.3.46), SIMATIC CP 1243-8 IRC (All versions < V3.3.46), SIMATIC CP 1542SP-1 IRC (All versions >= V2.0 < V2.2.28), SIMATIC CP 1543-1 (All versions < V3.0.22), SIMATIC CP 1543SP-1 (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1543SP-1 ISEC (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (All versions >= V2.0 < V2.2.28), SIPLUS NET CP 1242-7 V2 (All versions < V3.3.46), SIPLUS NET CP 1543-1 (All versions < V3.0.22), SIPLUS S7-1200 CP 1243-1 (All versions < V3.3.46), SIPLUS S7-1200 CP 1243-1 RAIL (All versions < V3.3.46). By injecting code to specific configuration options for OpenVPN, an attacker could execute arbitrary code with elevated privileges.

OpenVPN Access Server 2.10 and prior versions are susceptible to resending multiple packets in a response to a reset packet sent from the client which the client again does not respond to, resulting in a limited amplification attack.

OpenVPN Access Server before 2.11 uses a weak random generator used to create user session token for the web portal

The OpenVPN Access Server installer creates a log file readable for everyone, which from version 2.10.0 and before 2.11.0 may contain a random generated admin password

An issue was discovered in Amazon AWS VPN Client 2.0.0. It is possible to include a UNC path in the OpenVPN configuration file when referencing file paths for parameters (such as auth-user-pass). When this file is imported and the client attempts to validate the file path, it performs an open operation on the path and leaks the user's Net-NTLMv2 hash to an external server. This could be exploited by having a user open a crafted malicious ovpn configuration file.

Improper input validation vulnerability in pfSense CE and pfSense Plus (pfSense CE software versions prior to 2.6.0 and pfSense Plus software versions prior to 22.01) allows a remote attacker with the privilege to change OpenVPN client or server settings to execute an arbitrary command.

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.

A flaw in netfilter could allow a network-connected attacker to infer openvpn connection endpoint information for further use in traditional network attacks.

Gryphon Tower routers contain an unprotected openvpn configuration file which can grant attackers access to the Gryphon homebound VPN network which exposes the LAN interfaces of other users' devices connected to the same service. An attacker could leverage this to make configuration changes to, or otherwise attack victims' devices as though they were on an adjacent network.

furlongm openvpn-monitor through 1.1.3 allows Authorization Bypass to disconnect arbitrary clients.

furlongm openvpn-monitor through 1.1.3 allows %0a command injection via the OpenVPN management interface socket. This can shut down the server via signal%20SIGTERM.

furlongm openvpn-monitor through 1.1.3 allows CSRF to disconnect an arbitrary client.

OpenVPN Access Server 2.9.0 through 2.9.4 allow remote attackers to inject arbitrary web script or HTML via the web login page URL.

In MB connect line mbDIALUP versions <= 3.9R0.0 a low privileged local attacker can send a command to the service running with NT AUTHORITY\SYSTEM instructing it to execute a malicous OpenVPN configuration resulting in arbitrary code execution with the privileges of the service.

OpenVPN 3 Core Library version 3.6 and 3.6.1 allows a man-in-the-middle attacker to bypass the certificate authentication by issuing an unrelated server certificate using the same hostname found in the verify-x509-name option in a client configuration.

OpenVPN Connect 3.2.0 through 3.3.0 allows local users to load arbitrary dynamic loadable libraries via an OpenSSL configuration file if present, which allows the user to run arbitrary code with the same privilege level as the main OpenVPN process (OpenVPNConnect.exe).

OpenVPN before version 2.5.3 on Windows allows local users to load arbitrary dynamic loadable libraries via an OpenSSL configuration file if present, which allows the user to run arbitrary code with the same privilege level as the main OpenVPN process (openvpn.exe).

Securepoint SSL VPN Client v2 before 2.0.32 on Windows has unsafe configuration handling that enables local privilege escalation to NT AUTHORITY\SYSTEM. A non-privileged local user can modify the OpenVPN configuration stored under "%APPDATA%\Securepoint SSL VPN" and add a external script file that is executed as privileged user.