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OpenAdvisories
High · 8.2 CVE-2025-11955 EUVD-2025-36160GHSA-8cw5-pxrw-vqhc

Incorrect validation of OCSP certificates in TheGreenBow VPN Client Windows Enterprise

Published Oct 27, 2025 · Updated Oct 27, 2025 · Assigned by INCIBE

Description

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.

Affected products

VendorProductAffectedFixed
TheGreenBow TheGreenBow VPN Client Windows Enterprise 7.5, 7.6 —

References