CVE-2025-11955

HighCVSS 8.2/10Last modified Oct 8, 2026

Description

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.

Metrics

CVSS 4.0 8.2/10

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

Weakness enumeration

CWE-299

Affected software

No affected versions have been published.

Timeline

Published: Oct 27, 2025
Last modified: Oct 8, 2026
NVD status: Deferred

Related CVEs from 2025

CVE-2025-119568.9Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Proliz Software Ltd. Co. OBS (S CVE-2025-119578.4Improper authorization in the temporary access workflow of Devolutions Server 2025.2.12.0 and earlier allows an authenticated basic user to CVE-2025-119584.1An improper input validation in the Security Dashboard ignored-tasks API of Devolutions Server 2025.2.15.0 and earlier allows an authenticat CVE-2025-119598.1Files or Directories Accessible to External Parties, Exposure of Private Personal Information to an Unauthorized Actor vulnerability in Prem CVE-2025-11965.4A vulnerability, which was classified as problematic, was found in code-projects Real Estate Property Management System 1.0. Affected is an CVE-2025-119606.1Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Aryom Software High Technology CVE-2025-119611.9pcap_ether_aton() is an auxiliary function in libpcap, it takes a string argument and returns a fixed-size allocated buffer. The string arg CVE-2025-119627.3Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in DivvyDrive Information Technolo CVE-2025-119635.4Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Saysis Computer Systems Trade L CVE-2025-119641.9On Windows only, if libpcap needs to convert a Windows error message to UTF-8 and the message includes characters that UTF-8 represents usin CVE-2025-119657.5In Eclipse Vert.x versions [4.0.0, 4.5.21] and [5.0.0, 5.0.4], a StaticHandler configuration for restricting access to hidden files fails to CVE-2025-119666.4In Eclipse Vert.x versions [4.0.0, 4.5.21] and [5.0.0, 5.0.4], when "directory listing" is enabled, file and directory names are inserted in