SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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.

MEDIUM 5.0EPSS 3.24%

Does this matter?

Lower severity and a low EPSS score (3.24%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 2.0
5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS
3.24% probability · 88th percentile
CISA KEV
Not listed
Affected
kerio/personal firewall
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.