CVE-2003-0220
Buffer overflow in the administrator authentication process for Kerio Personal Firewall (KPF) 2.1.4 and earlier allows remote attackers to…
- 7.5HighCVSS base score
- 69.1%Exploitation in 30 daysEPSS · top 0.6% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 6Public exploitsMetasploit, Nuclei and Exploit-DB
Description
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module and 5 Exploit-DB entries for it.
Show the exploits6
Metasploit modules1 module
- Kerio Firewall 2.1.4 Authentication Packet Overflow (Metasploit module) (opens in a new tab)
exploit/windows/firewall/kerio_authRank averagedisclosed 28 Apr 2003
Exploit-DB5 entries
- Kerio Personal Firewall 2.1.4 - Authentication Packet Overflow (Metasploit) (Exploit-DB entry) (opens in a new tab)
EDB-ID 16465remote, windowspublished 15 Jun 2010Verified
- Kerio Personal Firewall 2.1.4 - Remote Authentication Packet Overflow (Metasploit) (Exploit-DB entry) (opens in a new tab)
EDB-ID 1537remote, windowspublished 28 Feb 2006Verified
- Kerio Personal Firewall 2.1.4 - Remote Code Execution (Exploit-DB entry) (opens in a new tab)
EDB-ID 28remote, windowspublished 8 May 2003Verified
- Kerio Personal Firewall 2.1.x - Remote Authentication Packet Buffer Overflow (2) (Exploit-DB entry) (opens in a new tab)
EDB-ID 22418remote, windowspublished 30 Apr 2003Verified
- Kerio Personal Firewall 2.1.x - Remote Authentication Packet Buffer Overflow (1) (Exploit-DB entry) (opens in a new tab)
EDB-ID 22417dos, windowspublished 28 Apr 2003Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
- 1 day later
· 1 day later
Published
- 21 years later
· 21 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 69.1% · top 0.6% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
n/a
- affected n/a
References
4
- VU#454716 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- 7180 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 20030428 CORE-2003-0305-02: Vulnerabilities in Kerio Personal Firewall (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- http://www.coresecurity.com/common/showdoc.php?idx=314&idxseccion=10 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2003-0215 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2003-0220)Record last updated .