The Web Filtering functionality in Kerio Personal Firewall (KPF) 4.0.13 allows remote attackers to cause a denial of service (crash) by sending hex-encoded URLs containing "%13%12%13".
https://exchange.xforce.ibmcloud.com/vulnerabilities/15821
http://marc.info/?l=bugtraq&m=108137421524251&w=2
Source: Mitre, NVD
Published: 2004-12-31
Updated: 2026-06-16
Base Score: 2.6
Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:N/A:P
Severity: Low
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: High
EPSS: 0.09025