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.
Vendor
thegreenbow vulnerabilities
5 published CVES affecting thegreenbow, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 5
- Critical
- 1
- High
- 3
- Medium
- 0
- Low
- 1
- Unscored
- 0
- CISA KEV
- 0
Products
- thegreenbow vpn client 2
- android vpn 1
- ipsec vpn client 1
- TheGreenBow VPN Client Windows Enterprise 1
- vpn client linux 1
- vpn client macos 1
- windows enterprise vpn 1
- windows standard vpn 1
Latest thegreenbow CVEs
Newest publication first
-
HighCVSS 8.2 EPSS 0.21%
-
HighCVSS 7.3 EPSS 0.51%
An issue in TheGreenBow Windows Standard VPN Client 6.87.108 (and older), Windows Enterprise VPN Client 6.87.109 (and older), Windows Enterprise VPN Client 7.5.007 (and older), Android VPN Client 6.4.5 (and older) VPN Client Linux 3.4 (and older), VPN Client MacOS 2.4.10 (and old...
-
CriticalCVSS 9.8 EPSS 0.75%
An issue discovered in TheGreenBow Windows Enterprise Certified VPN Client 6.52, Windows Standard VPN Client 6.87, and Windows Enterprise VPN Client 6.87 allows attackers to gain escalated privileges via crafted changes to memory mapped file.
-
HighCVSS 9.3 EPSS 5.7%
Stack-based buffer overflow in vpnconf.exe in TheGreenBow IPSec VPN Client 4.51.001, 4.65.003, and possibly other versions, allows user-assisted remote attackers to execute arbitrary code via a long OpenScriptAfterUp parameter in a policy (.tgb) file, related to "phase 2."
-
LowCVSS 2.1 EPSS 0.85% PoC
The tgbvpn.sys driver in TheGreenBow IPSec VPN Client 4.61.003 allows local users to cause a denial of service (NULL pointer dereference and system crash) via a crafted request to the 0x80000034 IOCTL, probably involving an input or output buffer size of 0.
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.