CVE-2025-3935

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,...

CVE-2025-3935

CVE-2025-3935 affects ScreenConnect 25.2.3 and earlier, where ViewState code injection can enable remote code execution if machine keys are compromised. The vulnerability stems from platform-level ViewState handling in ASP.NET Web Forms rather than a ScreenConnect flaw. ScreenConnect 2025.4 patch...

Microsoft Identifies 3,000 Leaked ASP.NET Keys Enabling Code Injection Attacks

Microsoft is warning of an insecure practice wherein software developers are incorporating publicly disclosed ASP.NET machine keys from publicly accessible resources, thereby putting their applications in attackers' pathway. The tech giant's threat intelligence team said it observed limited...