CVE-2025-40710

CVE-2025-40710 pertains to a Host Header Injection (HHI) in the Hotspot Shield VPN client. The vulnerability arises from how the VPN client internally handles outgoing headers and requests, allowing a forged Host header to influence traffic routing through the VPN tunnel. Reported impacts include...

CVE-2025-40710: Improper Neutralization of Special Elements in Output Used by a Downstream Component

Host Header Injection HHI vulnerability in the Hotspot Shield VPN client, which can induce unexpected behaviour when accessing third-party web applications through the VPN tunnel. Although such applications do not present this vulnerability per se, the use of the tunnel, together with a forged Ho...

CVE-2024-45750

An issue in TheGreenBow Windows Standard VPN Client 6.87.108 and older, Windows Enterprise VPN Client 6.87.109 and older, Windows Enterprise VPN Client 7.5.007 and older, Android VPN Client 6.4.5 and older VPN Client Linux 3.4 and older, VPN Client MacOS 2.4.10 and older allows a remote attacker ...

CVE-2024-29243

Shenzhen Libituo Technology Co., Ltd LBT-T300-mini v1.2.9 was discovered to contain a buffer overflow via the vpnclientip parameter at /apply.cgi...

CVE-2023-47267

An issue discovered in TheGreenBow Windows Enterprise Certified VPN Client 6.52, Windows Standard VPN Client 6.87, and Windows Enterprise VPN Client 6.87 allows attackers to gain escalated privileges via crafted changes to memory mapped file...

CVE-2023-5748

Buffer copy without checking size of input 'Classic Buffer Overflow' vulnerability in cgi component in Synology SSL VPN Client before 1.4.7-0687 allows local users to conduct denial-of-service attacks via unspecified vectors...

CVE-2023-30328

An issue in the helper tool of Mailbutler GmbH Shimo VPN Client for macOS v5.0.4 allows attackers to bypass authentication via PID re-use...

CVE-2022-25166

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...

CVE-2022-25165

An issue was discovered in Amazon AWS VPN Client 2.0.0. A TOCTOU race condition exists during the validation of VPN configuration files. This allows parameters outside of the AWS VPN Client allow list to be injected into the configuration file prior to the AWS VPN Client service running as SYSTEM...

CVE-2021-20051

SonicWall Global VPN Client 4.10.7.1117 installer 32-bit and 64-bit and earlier versions have a DLL Search Order Hijacking vulnerability in one of the installer components. Successful exploitation via a local attacker could result in command execution in the target system...

CVE-2021-36809

A local attacker can overwrite arbitrary files on the system with VPN client logs using administrator privileges, potentially resulting in a denial of service and data loss, in all versions of Sophos SSL VPN client...

CVE-2019-17387

An authentication flaw in the AVPNCRP service in Aviatrix VPN Client through 2.2.10 allows an attacker to gain elevated privileges through arbitrary code execution on Windows, Linux, and macOS...

CVE-2012-3052

Untrusted search path vulnerability in Cisco VPN Client 5.0 allows local users to gain privileges via a Trojan horse DLL in the current working directory, aka Bug ID CSCua28747...

CVE-2013-1173

Heap-based buffer overflow in ciscod.exe in the Cisco Security Service in Cisco AnyConnect Secure Mobility Client aka AnyConnect VPN Client allows local users to gain privileges via unspecified vectors, aka Bug ID CSCud14143...

CVE-2019-17388

Weak file permissions applied to the Aviatrix VPN Client through 2.2.10 installation directory on Windows and Linux allow a local attacker to execute arbitrary code by gaining elevated privileges through file modifications...

CVE-2019-12574

A vulnerability in the London Trust Media Private Internet Access PIA VPN Client v1.0 for Windows could allow an authenticated, local attacker to run arbitrary code with elevated privileges. The PIA client is vulnerable to a DLL injection vulnerability during the software update process. The...

CVE-2012-5429

The VPN driver in Cisco VPN Client on Windows does not properly interact with the kernel, which allows local users to cause a denial of service kernel fault and system crash via a crafted application, aka Bug ID CSCuc81669...

CVE-2025-26168

IXON VPN Client before 1.4.4 on Linux and macOS allows Local Privilege Escalation to root because there is code execution from a configuration file that can be controlled by a low-privileged user. There is a race condition in which a temporary configuration file, in a world-writable directory, ca...

CVE-2025-26169

IXON VPN Client before 1.4.4 on Windows allows Local Privilege Escalation to SYSTEM because there is code execution from a configuration file that can be controlled by a low-privileged user. There is a race condition in which a temporary configuration file, in a world-writable directory, can be...

CVE-2025-26168

IXON VPN Client before 1.4.4 on Linux and macOS allows Local Privilege Escalation to root because there is code execution from a configuration file that can be controlled by a low-privileged user. There is a race condition in which a temporary configuration file, in a world-writable directory, ca...