Home / Vulnerabilities / CVE-2025-3935
HIGH SEVERITY
CVE-2025-3935 ConnectWise · ScreenConnect

ConnectWise ScreenConnect Improper Authentication Vulnerability

Technical Severity

CVSS v3.1 Metrics

HIGH
8.1 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitation Likelihood

EPSS Prediction

12.30 %
Predictive Probability
Percentile Rank
93.7 th

Documented as more likely to be exploited than 93.7% of known CVEs.

Detection Date

Jun 02, 2025

Remediation Due

Jun 23, 2025

CISA Catalog Active

Threat Analysis

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.

Remediation Directive

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

External Intelligence