CVE-2025-11955: Incorrect validation of OCSP certificates in TheGreenBow VPN Client Windows Enterprise
TheGreenBow · TheGreenBow VPN Client Windows Enterprise
Vendor fix available · Affected: TheGreenBow VPN Client Windows Enterprise · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 11% of scored CVEs
DescriptionCVE.org
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 products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- TheGreenBow · TheGreenBow VPN Client Windows Enterprise7.5; 7.6
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Published
- October 2025
CoverageNo articles yet
No CyberSIXT article names CVE-2025-11955 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.