Connectwise Screenconnect vulnerabilities

CVE-2024-1709 [CRITICAL] CWE-288 CVE-2024-1709: ConnectWise ScreenConnect 23.9.7 and prior are affected by an Authentication Bypass Using an Alterna ConnectWise ScreenConnect 23.9.7 and prior are affected by an Authentication Bypass Using an Alternate Path or Channel vulnerability, which may allow an attacker direct access to confidential information or critical systems.

CVE-2024-1708 [HIGH] CWE-22 CVE-2024-1708: ConnectWise ScreenConnect 23.9.7 and prior are affected by path-traversal vulnerability, which may a ConnectWise ScreenConnect 23.9.7 and prior are affected by path-traversal vulnerability, which may allow an attacker the ability to execute remote code or directly impact confidential data or critical systems.

CVE-2025-3935 [HIGH] CWE-502 CVE-2025-3935: ScreenConnect versions 25.2.3 and earlier versions may be susceptible to a ViewState code injection ScreenConnect versions 25.2.3 and earlier versions may be susceptible to a ViewState code injection attack. ASP.NET Web Forms use ViewState to preserve page and control state, with data encoded using Base64 protected by machine keys. It is important to note that to obtain these machine keys, privileged system level access must be obtained. If these mac

CVE-2026-3564 [CRITICAL] CWE-347 CVE-2026-3564: A condition in ScreenConnect may allow an actor with access to server-level cryptographic material u A condition in ScreenConnect may allow an actor with access to server-level cryptographic material used for authentication to obtain unauthorized access, including elevated privileges, in certain scenarios.

CVE-2025-14265 [CRITICAL] CWE-494 CVE-2025-14265: In versions of ScreenConnect™ prior to 25.8, server-side validation and integrity checks within the In versions of ScreenConnect™ prior to 25.8, server-side validation and integrity checks within the extension subsystem could allow the installation and execution of untrusted or arbitrary extensions by authorized or administrative users. Abuse of this behavior could result in the execution of custom code on the server or unauthorized access to app

CVE-2023-47257 [HIGH] CWE-94 CVE-2023-47257: ConnectWise ScreenConnect through 23.8.4 allows man-in-the-middle attackers to achieve remote code e ConnectWise ScreenConnect through 23.8.4 allows man-in-the-middle attackers to achieve remote code execution via crafted messages.

CVE-2025-14823 [MEDIUM] CWE-201 CVE-2025-14823: In deployments using the ScreenConnect™ Certificate Signing Extension, encrypted configuration value In deployments using the ScreenConnect™ Certificate Signing Extension, encrypted configuration values including an Azure Key Vault-related key, could be returned to unauthenticated users through a client-facing endpoint under certain conditions. The values remained encrypted and securely stored at rest; however, an encrypted representation could be

CVE-2022-36781 [MEDIUM] CWE-307 CVE-2022-36781: ConnectWise ScreenConnect versions 22.6 and below contained a flaw allowing potential brute force at ConnectWise ScreenConnect versions 22.6 and below contained a flaw allowing potential brute force attacks on custom access tokens due to inadequate rate-limiting controls in the default configuration. Attackers could exploit this vulnerability to gain unauthorized access by repeatedly attempting access code combinations. ConnectWise has addressed th

CVE-2026-11596 [MEDIUM] CWE-1284 CVE-2026-11596: In ScreenConnect™ versions prior to 26.2, input validation within the Host Pass creation functionali In ScreenConnect™ versions prior to 26.2, input validation within the Host Pass creation functionality could allow an authenticated user with Host Pass creation privileges the ability to specify a token expiration duration beyond the intended maximum when generating delegated access tokens.

CVE-2023-47256 [MEDIUM] CWE-287 CVE-2023-47256: ConnectWise ScreenConnect through 23.8.4 allows local users to connect to arbitrary relay servers vi ConnectWise ScreenConnect through 23.8.4 allows local users to connect to arbitrary relay servers via implicit trust of proxy settings