CVE-2003-1491

HighCVSS 7.5/10Last modified Jun 16, 2026

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.

Metrics

CVSS 2.0 7.5/10AV:N/AC:L/Au:N/C:P/I:P/A:P

Weakness enumeration

CWE-16CWE-94

Affected software

No affected versions have been published.

Timeline

Published
Dec 31, 2003
Last modified
Jun 16, 2026
NVD status
Modified

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CVE-2003-1491: High severity, CVSS 7.5 | Vulnix