CVE Catalog

CVE-2003-1491

High
Published: Translated: NVD NIST

Summary

Kerio Personal Firewall (KPF) version 2.1.4 has a default rule to accept incoming packets from DNS (UDP port 53), allowing remote attackers to bypass the firewall filters.

Risk Assessment

Attackers can exploit this vulnerability to send malicious packets, potentially leading to unauthorized access to the internal network.

Recommendation

It is recommended to update Kerio Personal Firewall to the latest version and adjust firewall rules to block unauthorized packets from port 53.

Related vulnerabilities

Original NVD description (English source)

Kerio Personal Firewall (KPF) 2.1.4 has a default rule to accept incoming packets from DNS (UDP port 53), which allows remote attackers to bypass the firewall filters via packets with a source port of 53.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS