Vulnerability Information
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Vulnerability Title
ScreenConnect Exposure to ASP.NET ViewState Code Injection
Vulnerability Description
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 machine keys are compromised, attackers could create and send a malicious ViewState to the website, potentially leading to remote code execution on the server. The risk does not originate from a vulnerability introduced by ScreenConnect, but from platform level behavior. This had no direct impact to ScreenConnect Client. ScreenConnect 2025.4 patch disables ViewState and removes any dependency on it.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability Type
可信数据的反序列化
Vulnerability Title
ConnectWise ScreenConnect 授权问题漏洞
Vulnerability Description
ConnectWise ScreenConnect是ConnectWise公司的一种自托管远程桌面软件应用程序。 ConnectWise ScreenConnect 25.2.3及之前版本存在安全漏洞，该漏洞源于ViewState代码注入，可能导致远程代码执行。
CVSS Information
N/A
Vulnerability Type
N/A