CVE-2003-0220

NONECVSS 0.0Weaponized

0.0

Buffer overflow in the administrator authentication process for Kerio Personal Firewall (KPF) 2.1.4 and earlier allows remote attackers to execute arbitrary code via a handshake packet.

CVSS v3: —
EG Score: —
EPSS: 99.2%
KEV: Not listed

Published

May 12, 2003

Last Modified

April 16, 2026

References (8)

cve@mitrehttp://marc.info/?l=bugtraq&m=105155734411836&w=2
cve@mitrehttp://www.coresecurity.com/common/showdoc.php?idx=314&idxseccion=10
cve@mitrehttp://www.kb.cert.org/vuls/id/454716
cve@mitrehttp://www.securityfocus.com/bid/7180
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=bugtraq&m=105155734411836&w=2
af854a3a-2127-422b-91ae-364da2661108http://www.coresecurity.com/common/showdoc.php?idx=314&idxseccion=10
af854a3a-2127-422b-91ae-364da2661108http://www.kb.cert.org/vuls/id/454716
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/7180

Data Freshness Timeline

(refreshed 0× in last 7d / 4× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-22 21:15 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-18 21:29 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Publicly available exploits

(6 references)

Working exploit code is in the public domain (1 Metasploit module) (5 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-16465✓ verified
First seen Jun 15, 2010
Kerio Personal Firewall 2.1.4 - Authentication Packet Overflow (Metasploit)
Open source ↗
Exploit-DBEDB-1537✓ verified
First seen Feb 28, 2006
Kerio Personal Firewall 2.1.4 - Remote Authentication Packet Overflow (Metasploit)
Open source ↗
Exploit-DBEDB-28✓ verified
First seen May 8, 2003
Kerio Personal Firewall 2.1.4 - Remote Code Execution
Open source ↗
Exploit-DBEDB-22418✓ verified
First seen Apr 30, 2003
Kerio Personal Firewall 2.1.x - Remote Authentication Packet Buffer Overflow (2)
Open source ↗
Exploit-DBEDB-22417✓ verified
First seen Apr 28, 2003
Kerio Personal Firewall 2.1.x - Remote Authentication Packet Buffer Overflow (1)
Open source ↗
Metasploitexploit/windows/firewall/kerio_auth✓ verified
First seen Apr 28, 2003
Kerio Firewall 2.1.4 Authentication Packet Overflow
Open source ↗

Frequently asked(4)

What is CVE-2003-0220?

CVE-2003-0220 is a none vulnerability published on May 12, 2003. Buffer overflow in the administrator authentication process for Kerio Personal Firewall (KPF) 2.1.4 and earlier allows remote attackers to execute arbitrary code via a handshake packet.

When was CVE-2003-0220 disclosed?

CVE-2003-0220 was first published in the National Vulnerability Database on May 12, 2003, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2003-0220 actively exploited?

CVE-2003-0220 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2003-0220?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2003-0220, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2003-0220

📅 Published

🔄 Last Modified

🔗 References (8)