CVE-2003-1491

HIGH · CVSS 7.5 EPSS 2.37%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2003-12-31 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE

CVE-2003-1491

Severity

HIGH

CVSS

7.5

EPSS

2.37%

Original NVD 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.