Vulnerability in Kerio Personal Firewall

CVE-2004-1109

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.

EPSS: 0.032 (87.0th percentile) — read the EPSS interpretation.

Affected products

References