CVE Watch—

CVE-2025-3935

ConnectWise ScreenConnect Improper Authentication Vulnerability

CVSS

—

Sin CVSS

EPSS

3.5%

p89

KEV

SÍ

2 jun 2025

Exploit Today

0-100

Publicado: — · Última mod.: —

EPSS · 30d

3.4%EPSS · 30 días3.5%

2026-09-162026-10-14

Ficha del catálogo KEV

Producto

ConnectWise / ScreenConnect

Vulnerabilidad

ConnectWise ScreenConnect Improper Authentication Vulnerability

Añadido a KEV

2 jun 2025

Remediar antes de

23 jun 2025

Uso conocido en ransomware

Descripción resumida

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.

Acción requerida

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

Notas

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

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