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CVE-2009-2918

17
FAUCET Score

CVE-2009-2918 describes a local denial-of-service vulnerability in TheGreenBow IPSec VPN Client version 4.61.003. An attacker can trigger a system crash by sending a crafted request to the tgbvpn.sys driver's 0x80000034 IOCTL, likely involving zero-sized buffers, leading to a NULL pointer dereference. This vulnerability has a low severity CVSS score of 2.1, indicating a local attack vector with low complexity and only impacting availability. While no active exploitation is reported and community discussion is minimal, a proof-of-concept exploit exists on ExploitDB.

Impacted Technologies

VendorProductVersion(s)CPE
4.61.003CPE matchmatch criteria
cpe:2.3:a:thegreenbow:thegreenbow_vpn_client:4.61.003:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

2.1LOW

AV:L/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.85%
Probability of exploitation in next 30 days
EPSS Percentile
54.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-9449 · Aug 18, 2009
This CVE's current EPSS score of 0.0085 is in the 88th percentile among its peer group of 2,096 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.6 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

secunia.com / advisories/36332
Vendor Advisory
evilfingers.com / advisory/Advisory/TheGreenBow_VPN_Client_tgbvpn.sys_DoS.php
Exploit
securityfocus.com / archive/1/505816/100/0/threaded
vupen.com / english/advisories/2009/2294
Vendor Advisory