CVE-2026-50751
Check Point Security Gateway contains an improper authentication vulnerability in IKEv1 key exchange that could allow an unauthenticated remote attacker to bypass user authentication and establish a remote access VPN connection without a valid user password.
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Esta vulnerabilidad crítica en Check Point Security Gateway permite a atacantes remotos no autenticados evadir la validación de certificados y conectarse a la VPN sin una contraseña válida. El fallo está siendo explotado activamente en el entorno real, comprometiendo directamente el acceso perimetral a la infraestructura interna de servidores y servicios. Se recomienda actualizar inmediatamente los gateways afectados que todavía utilicen el intercambio de llaves IKEv1.
Relevant roles
Severity
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:NCWE-287CISA KEV
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
EPSS
Technical description
A logic flow weakness in Remote Access and Mobile Access certificate validation in deprecated IKEv1 key exchange allows an unauthenticated remote attacker to bypass user authentication and establish a remote access VPN connection without a valid user password.