Search/CVE-2025-11955
● CVE

CVE-2025-11955

DiscoveredOct 27, 2025UpdatedApr 15, 2026

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.

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CVSS v3.1
—
EPSS
0.21%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Sep 28, 2026
▼ 0.05pp
0.26% → 0.21% over 2 tracked changes
Connections
1 relationships
Timeline
disclosure → media coverage
Oct 27, 2025
Disclosure — published as a CVE record. · last revised by NVD Apr 15, 2026