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Vulnerability record · CVE-2004-2523 · published 31 December 2004

CVE-2004-2523: Openftpd ftp server vulnerability

Openftpd · Openftpd Ftp Server

Format string vulnerability in the msg command (cat_message function in msg.c) in OpenFTPD 0.30.2 and earlier allows remote authenticated users to execute arbitrary code via format string specifiers in the message argument.

6.5 CVSS 2.0 Medium EPSS 5.4% · top 7.6%
6.5CVSS 2.0 base score
5.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
16References, 6 tagged exploit
16 Jun 2026Last modified by NVD

Description

Format string vulnerability in the msg command (cat_message function in msg.c) in OpenFTPD 0.30.2 and earlier allows remote authenticated users to execute arbitrary code via format string specifiers in the message argument.

AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://archives.neohapsis.com/archives/bugtraq/2004-07/0350.html Patch
http://archives.neohapsis.com/archives/bugtraq/2004-08/0017.html Exploit
http://secunia.com/advisories/12174 PatchVendor Advisory
http://securitytracker.com/id?1010823 ExploitPatch
http://www.openftpd.org:9673/openftpd
http://www.osvdb.org/8261
http://www.securityfocus.com/bid/10830 ExploitPatch
https://exchange.xforce.ibmcloud.com/vulnerabilities/16843
http://archives.neohapsis.com/archives/bugtraq/2004-07/0350.html Patch
http://archives.neohapsis.com/archives/bugtraq/2004-08/0017.html Exploit
http://secunia.com/advisories/12174 PatchVendor Advisory
http://securitytracker.com/id?1010823 ExploitPatch
http://www.openftpd.org:9673/openftpd
http://www.osvdb.org/8261
http://www.securityfocus.com/bid/10830 ExploitPatch
https://exchange.xforce.ibmcloud.com/vulnerabilities/16843

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Source: NIST National Vulnerability Database (record CVE-2004-2523), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.