CVE-2003-1491

N/A Unknown

Published: December 31, 2003 Modified: April 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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://archives.neohapsis.com/archives/fulldisclosure/2003-q2/0352.html

Source: cve@mitre.org

http://www.securiteam.com/securitynews/5FP0N1P9PI.html

Source: cve@mitre.org

http://www.securityfocus.com/bid/7436

Source: cve@mitre.org

https://exchange.xforce.ibmcloud.com/vulnerabilities/11880

Source: cve@mitre.org

http://archives.neohapsis.com/archives/fulldisclosure/2003-q2/0352.html

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.securiteam.com/securitynews/5FP0N1P9PI.html

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.securityfocus.com/bid/7436

Source: af854a3a-2127-422b-91ae-364da2661108

https://exchange.xforce.ibmcloud.com/vulnerabilities/11880

Source: af854a3a-2127-422b-91ae-364da2661108

8 reference(s) from NVD

Quick Stats

CVSS v3 Score

N/A / 10.0

EPSS (Exploit Probability)

0.3%

51th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-16 CWE-94

Affected Vendors

kerio

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