CVE-2025-11955

Incorrect validation of OCSP certificates vulnerability in TheGreenBow VPN, versions 7.5 and 7.6. During the IKEv2 authentication step, the OCSP-enabled VPN client establishes the tunnel even if it does not receive an OCSP response or if the OCSP response signature is invalid.

CVSS

No CVSS.

References

Link	Resource
https://www.incibe.es/en/incibe-cert/notices/aviso/incorrect-validation-ocsp-certificates-thegreenbow-vpn-client-windows
https://www.thegreenbow.com/en/support/security-alerts/

Configurations

No configuration.

History

08 Oct 2026, 11:10

Type	Values Removed	Values Added
Summary		(es) Validación incorrecta de certificados OCSP, vulnerabilidad en TheGreenBow VPN, versiones 7.5 y 7.6. Durante el paso de autenticación IKEv2, el cliente VPN con OCSP habilitado establece el túnel incluso si no recibe una respuesta OCSP o si la firma de la respuesta OCSP es inválida.

Information

Published : 2025-10-27 12:15

Updated : 2026-10-08 11:10

NVD link : CVE-2025-11955

Mitre link : CVE-2025-11955

CVE.ORG link : CVE-2025-11955

JSON object : View

Products Affected

No product.

CWE

CWE-299

Improper Check for Certificate Revocation

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