CISA Known Exploited Vulnerability
This vulnerability is actively exploited in the wild and listed in the CISA Known Exploited Vulnerabilities catalog.
Remediation Deadline: Jun 23, 2025
High
CISA KEVCVE-2025-3935
ConnectWise—ScreenConnect
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
https://www.connectwise.com/company/trust/security-bulletins/screenconnect-security-patch-2025.4 ; https://nvd.nist.gov/vuln/detail/CVE-2025-3935
Vulnerability Overview
- Severity
- High
- CISA KEV
- Yes
- Ransomware
- Unknown
- Published
- Jun 2, 2025
- KEV Added
- Jun 2, 2025
- Due Date
- Jun 23, 2025
- Related Articles
- 0
Vendor
ConnectWise
ScreenConnect