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CVE-2006-3787

17
FAUCET Score

CVE-2006-3787 describes a denial-of-service vulnerability in Sunbelt Kerio Personal Firewall 4.3.x before 4.3.268. The kpf4ss.exe component fails to properly hook the CreateRemoteThread API function, allowing a local attacker to crash the firewall and bypass its protection mechanisms. With a CVSS score of 2.1, this vulnerability has low severity, requiring local access and resulting in a partial denial of service. While there is an ExploitDB entry for a denial-of-service exploit, there is no evidence of active exploitation, Metasploit modules, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.3.246CPE matchmatch criteria
cpe:2.3:a:kerio:personal_firewall:*:*:*:*:*:*:*:*

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
0.71%
Probability of exploitation in next 30 days
EPSS Percentile
50.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
ExploitDB: EDB-28228 · Jul 15, 2006
This CVE's current EPSS score of 0.0071 is in the 84th 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/21060
Vendor Advisory
securityreason.com / securityalert/1260
matousec.com / info/advisories/Kerio-Terminating-kpf4ss-exe-using-internal-runtime-error.php
securityfocus.com / archive/1/440112/100/100/threaded
securityfocus.com / bid/18996
vupen.com / english/advisories/2006/2828