CVE-2025-3935

ConnectWise ScreenConnect Improper Authentication Vulnerability

ConnectWise ScreenConnect contains an improper authentication vulnerability. This vulnerability could allow a ViewState code injection attack, which could allow remote code execution if machine keys are compromised. Vendor/Product: ConnectWise ScreenConnect. Added to CISA KEV 2025-06-02; required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Category: Vulnerability, Known Exploited