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CVE-2025-3935

KEV

ConnectWise ScreenConnect Improper Authentication Vulnerability

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Vendor / Project
ConnectWise
Product
ScreenConnect
Date added
Jun 2, 2025
Due date
Jun 23, 2025
Known ransomware use
Unknown
CWEs
CWE-287

Description

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.

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.

Notes