CVE-2025-3935: ConnectWise ScreenConnect
EPSS3.5%No. 1487 of 1739 in KEV
CVE year2025listed the same year
Same vendor in KEV4
Same product4
| Field | Value |
|---|---|
| Vendor | ConnectWise |
| Product | ScreenConnect |
| Name | ConnectWise ScreenConnect Improper Authentication Vulnerability |
| Added to KEV | 2025-06-02 |
| US federal due date | 2025-06-23 |
| Ransomware use | Unknown |
| CWE | CWE-287 |
CISA 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.
Other entries for this product
| CVE | Vendor / product | Added | EPSS | Ransomware |
|---|---|---|---|---|
| CVE-2026-84869 | ConnectWise ScreenConnect | 2026-09-11 | 0.9% | Unknown |
| CVE-2024-1708 | ConnectWise ScreenConnect | 2026-04-28 | 95.4% | Known |
| CVE-2024-1709 | ConnectWise ScreenConnect | 2024-02-22 | 99.9% | Known |
Data from CISA's Known Exploited Vulnerabilities (KEV) catalog. EPSS is FIRST's estimated probability of exploitation activity in the next 30 days, refreshed weekly. Always follow the vendor's official guidance.
About this page
A ConnectWise ScreenConnect vulnerability added to CISA's Known Exploited Vulnerabilities catalog on 2025-06-02.