VULNERABILITY INTELLIGENCE

CVE-2004-1109

CVSS score5 MEDIUM
EPSS probability3.24%
CISA KEVNot currently listed
Published2005-01-10
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:P

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.

Primary references