ConnectWise ScreenConnect Improper Authentication Vulnerability
Critical Listed in CISA KEV
Summary
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.
In-depth triage · Auto channel
No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).
Affected products
- ConnectWise:ScreenConnect
Sources
- CISA KEV DATABASE
Original Links
- https://nvd.nist.gov/vuln/detail/CVE-2025-3935 advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog kev
- https://www.connectwise.com/company/trust/security-bulletins/screenconnect-security-patch-2025.4 reference
Timeline
- kev_added CISA KEV
- kev_ingest CISA KEV