CVE-2025-3935

unknown KEV

Published 2025-06-02 · Modified 2025-06-02

CVSS v3

—

CVSS v2

—

VIR risk

1.5

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.

CISA KEV

Vendor: ConnectWise
Product: ScreenConnect
Due date: 2025-06-23

Predictions

Exploit likelihood

99%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cisa-kev — https://www.connectwise.com/company/trust/security-bulletins/screenconnect-security-patch-2025.4 ; https://nvd.nist.gov/vuln/detail/CVE-2025-3935

Exploits

References

https://www.connectwise.com/company/trust/security-bulletins/screenconnect-security-patch-2025.4 ; https://nvd.nist.gov/vuln/detail/CVE-2025-3935

Verify integrity in audit chain (admin only). AS-IS.