Unrated severityNVD Advisory· Published Dec 31, 2003· Updated Apr 16, 2026
CVE-2003-1491
CVE-2003-1491
Description
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.
Affected products
1- cpe:2.3:a:kerio:personal_firewall:2.1.4:*:*:*:*:*:*:*
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
4News mentions
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