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.

INFO

Published Date :

2025-10-27T11:30:24.102Z

Last Modified :

2025-10-27T13:19:15.842Z

Source :

INCIBE
AFFECTED PRODUCTS

The following products are affected by CVE-2025-11955 vulnerability.

Vendors Products
Microsoft
  • Windows
Thegreenbow
  • Ipsec Vpn Client
  • Thegreenbow Vpn Client
  • Vpn Client Linux
  • Windows Enterprise Certified Vpn
  • Windows Enterprise Vpn
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-11955.

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