TI-2009-02780 Aliases CVE-2009-2918 GHSA-h4gg-hxcg-84h7

The tgbvpn.sys driver in TheGreenBow IPSec VPN Client 4.61.003 allows local users to…

LOW 13CWE-20Published 2009-08-21 · Updated 2024-08-07

Key facts

Attack vector: Local
Privileges required: None
User interaction: — Not recorded in CVSS 2.0
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · None · Partial
Fix status: No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.00854 58th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:thegreenbow:thegreenbow_vpn_client:4.61.003:::::::*	4.61.003	Vulnerable	TheGreenBow

cpe:2.3:a:thegreenbow:thegreenbow_vpn_client:4.61.003:*:*:*:*:*:*:* Versions 4.61.003 Vulnerable ·TheGreenBow

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2009-2918
2026-10-03 Alias added: GHSA-h4gg-hxcg-84h7

References

Exploit 1

https://www.evilfingers.com/advisory/Advisory/TheGreenBow_VPN_Client_tgbvpn.sys_DoS.php

Advisory 1

ADV-2009-2294

TI-2023-25583 An issue discovered in TheGreenBow Windows Enterprise Certified VPN Client 6.52, Windows… CVSS 3.1CRITICAL 9.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences