CVE-2025-11955 (GCVE-0-2025-11955)

Vulnerability from cvelistv5 – Published: 2025-10-27 11:30 – Updated: 2025-10-27 13:19
VLAI?
Summary
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.
Severity ?
8.2 (High)
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CWE
  • CWE-299 - Improper Check for Certificate Revocation
Assigner
References
Impacted products
Vendor Product Version
TheGreenBow TheGreenBow VPN Client Windows Enterprise Affected: 7.5
Affected: 7.6
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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