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CVE-2006-5153

15
FAUCET Score

CVE-2006-5153 describes a vulnerability in Sunbelt Kerio Personal Firewall 4.3.268 and earlier, where the fwdrv.sys and khips.sys drivers fail to validate arguments passed to SSDT functions like NtCreateFile and NtLoadDriver. This flaw allows local users to trigger a denial of service (system crash) and potentially other impacts. The vulnerability has a CVSS score of 5.0, indicating a medium severity, with an easily exploitable attack vector requiring local access. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
4.0.6CPE matchmatch criteria
cpe:2.3:a:kerio:personal_firewall:4.0.6:*:*:*:*:*:*:*
4.0.7CPE matchmatch criteria
cpe:2.3:a:kerio:personal_firewall:4.0.7:*:*:*:*:*:*:*
4.0.8CPE matchmatch criteria
cpe:2.3:a:kerio:personal_firewall:4.0.8:*:*:*:*:*:*:*
4.0.9CPE matchmatch criteria
cpe:2.3:a:kerio:personal_firewall:4.0.9:*:*:*:*:*:*:*
4.0.10CPE matchmatch criteria
cpe:2.3:a:kerio:personal_firewall:4.0.10:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.57%
Probability of exploitation in next 30 days
EPSS Percentile
72.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0157 is in the 56th percentile among its peer group of 23,725 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, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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/22234
Vendor Advisory
securityreason.com / securityalert/1685
securitytracker.com / id
exchange.xforce.ibmcloud.com / vulnerabilities/29313
matousec.com / info/advisories/Kerio-Multiple-insufficient-argument-validation-of-hooked-SSDT-functions.php
ExploitVendor Advisory
securityfocus.com / archive/1/447504/100/0/threaded
securityfocus.com / bid/20299
Exploit
vupen.com / english/advisories/2006/3872