CVE-2025-11955

Incorrect validation of OCSP certificates in TheGreenBow VPN Client Windows Enterprise

State
Published
Severity
8.2 High
Published
Oct 27, 2025
Updated
Oct 27, 2025
Reserved
Oct 20, 2025

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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.

Scores

CVSSScoreVectorSource
4.08.2 HighCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:NINCIBE

Weaknesses

  • CWE-299 Improper Check for Certificate Revocation

Affected Products

ProductVersions
TheGreenBow VPN Client Windows EnterpriseTheGreenBow
  • 7.5Affected
  • 7.6Affected

References

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