CVE-2025-11955
UNSCOREDDescription
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.
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3.1 Vector
No CVSS vector data available.
Exploit Intelligence
Low risk: more likely to be exploited than 17% of all known CVEs.
References
Related Vulnerabilities
Other CWE-299 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2020-1675 | High | 8.3 | 0.6% | - | Fix |
| CVE-2020-16228 | Medium | 6.4 | 0.4% | - | - |
| CVE-2025-3085 | High | 8.1 | 0.3% | - | Fix |
| CVE-2026-4428 | High | 7.4 | 0.3% | - | - |
| CVE-2023-23690 | High | 7.0 | 0.2% | - | Fix |
| CVE-2025-36057 | Medium | 5.2 | 0.2% | - | Fix |
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-27.