CVE-2025-11955 describes an incorrect validation of OCSP certificates vulnerability in TheGreenBow VPN versions 7.5 and 7.6. During IKEv2 authentication, the VPN client fails to properly validate OCSP responses, potentially establishing a tunnel even with missing or invalid OCSP signatures. This vulnerability carries a high CVSS score of 8.2, indicating a high impact on confidentiality with a network attack vector and high attack complexity. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| TheGreenBow | TheGreenBow VPN Client Windows Enterprise | 7.5, 7.6CNA affecteddefault unaffected |
CVSS version used by this source: 4.0
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.