CVE-2025-3935 — Actively Exploited: ScreenConnect (ConnectWise)
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.
| CVE ID | CVE-2025-3935 |
|---|---|
| Vendor | ConnectWise |
| Product | ScreenConnect |
| Vulnerability name | ConnectWise ScreenConnect Improper Authentication Vulnerability |
| Date added | 2025-06-02 |
| Remediation due | 2025-06-23 |
| Known ransomware use | Unknown |
| 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. |
| 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. |
| Source | CISA Known Exploited Vulnerabilities |
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