Connectwise

ConnectWise ManagedITSync integration through 2017 for Kaseya VSA is vulnerable to unauthenticated remote commands that allow full direct access to the Kaseya VSA database. In February 2019, attackers have actively exploited this in the wild to download and execute ransomware…

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.

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…

In ConnectWise Control through 22.9.10032 (formerly known as ScreenConnect), after an executable file is signed, additional instructions can be added without invalidating the signature, such as instructions that result in offering the end user a (different) attacker-controlled…

An XXE vulnerability exists in ConnectWise Automate before 2021.0.6.132.

ConnectWise Automate through 2020.x has insufficient validation on certain authentication paths, allowing authentication bypass via a series of attempts. This was patched in 2020.7 and in a hotfix for 2019.12.

An issue was discovered in ConnectWise Control (formerly known as ScreenConnect) 19.3.25270.7185. There is a CORS misconfiguration, which reflected the Origin provided by incoming requests. This allowed JavaScript running on any domain to interact with the server APIs and…

In the ConnectWise Automate Agent, communications could be configured to use HTTP instead of HTTPS. In such cases, an on-path threat actor with a man-in-the-middle network position could intercept, modify, or replay agent-server traffic. Additionally, the encryption method used…

A condition in the ScreenConnect server component may allow an actor with access to server-level cryptographic material used for authentication to obtain unauthorized access, including elevated privileges, in certain scenarios. ScreenConnect host and guest client agents are not…

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 ConnectWise Automate™ Agent does not fully verify the authenticity of components obtained during plugin loading and self-update operations. This issue is addressed in Automate 2026.5.

In ConnectWise PSA versions older than 2026.1, Time Entry notes stored in the Time Entry Audit Trail may be rendered without applying output encoding to certain content. Under specific conditions, this may allow stored script code to execute in the context of a user’s browser…

The ConnectWise Automate Agent does not fully verify the authenticity of files downloaded from the server, such as updates, dependencies, and integrations. This creates a risk where an on-path attacker could perform a man-in-the-middle attack and substitute malicious files for…

ConnectWise Control before 22.9.10032 (formerly known as ScreenConnect) fails to validate user-supplied parameters such as the Bin/ConnectWiseControl.Client.exe h parameter. This results in reflected data and injection of malicious code into a downloaded executable. The…

The Agent Update System in ConnectWise Automate before 2020.8 allows Privilege Escalation because the _LTUPDATE folder has weak permissions.

By using an Automate API in ConnectWise Automate before 2020.5.178, a remote authenticated user could execute commands and/or modifications within an individual Automate instance by triggering an SQL injection vulnerability in /LabTech/agent.aspx. This affects versions before…

An issue was discovered in ConnectWise Control (formerly known as ScreenConnect) 19.3.25270.7185. CSRF can be used to send API requests.

services/system_io/actionprocessor/System.rails in ConnectWise Manage 2017.5 is vulnerable to Cross-Site Request Forgery (CSRF), as demonstrated by changing an e-mail address setting.

ConnectWise ScreenConnect through 23.8.4 allows man-in-the-middle attackers to achieve remote code execution via crafted messages.

An issue was discovered in ConnectWise Automate before 2021.5. A blind SQL injection vulnerability exists in core agent inventory communication that can enable an attacker to extract database information or administrative credentials from an instance via crafted monitor status…