CVE-2004-1109
The FWDRV.SYS driver in Kerio Personal Firewall 4.1.1 and earlier allows remote attackers to...
CVE-2004-1109 is a medium vulnerability (CVSS 5.0) in Kerio Personal Firewall, published December 1, 2004. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 3.24%, the 88th percentile. No source names a fixed version.
- Severity
- 5.0 MediumCVSS 2.0, NVD
- Exploit chance
- 3.24%EPSS, 88th percentile
- Exploitation
- None known1 public exploit
- Fixed in
- No fix listedNo source names one
Description
The FWDRV.SYS driver in Kerio Personal Firewall 4.1.1 and earlier allows remote attackers to cause a denial of service (CPU consumption and system freeze from infinite loop) via a (1) TCP, (2) UDP, or (3) ICMP packet with a zero length IP Option field.
Exploit likelihood
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Kerio Personal Firewall 4.1.1 - Multiple IP Options Denial of Service Vulnerabilities | 2004-11-12 |
What each source reports
NVD Score used
The FWDRV.SYS driver in Kerio Personal Firewall 4.1.1 and earlier allows remote attackers to cause a denial of service (CPU consumption and system freeze from infinite loop) via a (1) TCP, (2) UDP, or (3) ICMP packet with a zero length IP Option field.
- Record
CVE-2004-1109- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE ListNo score
The FWDRV.SYS driver in Kerio Personal Firewall 4.1.1 and earlier allows remote attackers to cause a denial of service (CPU consumption and system freeze from infinite loop) via a (1) TCP, (2) UDP, or (3) ICMP packet with a zero length IP Option field.
- Record
CVE-2004-1109- Updated
- 2026-11-02
EUVDEUVD-2004-1107No score
The FWDRV.SYS driver in Kerio Personal Firewall 4.1.1 and earlier allows remote attackers to cause a denial of service (CPU consumption and system freeze from infinite loop) via a (1) TCP, (2) UDP, or (3) ICMP packet with a zero length IP Option field.
- Record
EUVD-2004-1107- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vc3f-q7f5-f956No score
The FWDRV.SYS driver in Kerio Personal Firewall 4.1.1 and earlier allows remote attackers to...
The FWDRV.SYS driver in Kerio Personal Firewall 4.1.1 and earlier allows remote attackers to cause a denial of service (CPU consumption and system freeze from infinite loop) via a (1) TCP, (2) UDP, or (3) ICMP packet with a zero length IP Option field.
- Record
GHSA-vc3f-q7f5-f956- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.