CVE-2004-2523

NONECVSS 0.0Weaponized

0.0

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.

CVSS v3: —
EG Score: —
EPSS: 96.5%
KEV: Not listed

Published

December 31, 2004

Last Modified

April 16, 2026

References (16)

cve@mitrehttp://archives.neohapsis.com/archives/bugtraq/2004-07/0350.html
cve@mitrehttp://archives.neohapsis.com/archives/bugtraq/2004-08/0017.html
cve@mitrehttp://secunia.com/advisories/12174
cve@mitrehttp://securitytracker.com/id?1010823
cve@mitrehttp://www.openftpd.org:9673/openftpd
cve@mitrehttp://www.osvdb.org/8261
cve@mitrehttp://www.securityfocus.com/bid/10830
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/16843
af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/bugtraq/2004-07/0350.html
af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/bugtraq/2004-08/0017.html
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/12174
af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/id?1010823
af854a3a-2127-422b-91ae-364da2661108http://www.openftpd.org:9673/openftpd
af854a3a-2127-422b-91ae-364da2661108http://www.osvdb.org/8261
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/10830

Data Freshness Timeline

(refreshed 11× in last 7d / 17× 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.

2026-05-29 13:40 UTCepss_batch
2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-24 16:42 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Publicly available exploits

(2 references)

Working exploit code is in the public domain (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-373✓ verified
First seen Aug 4, 2004
OpenFTPd 0.30.1 - message system Remote Shell
Open source ↗
Exploit-DBEDB-372✓ verified
First seen Aug 3, 2004
OpenFTPd 0.30.2 - Remote Overflow
Open source ↗

Frequently asked(4)

What is CVE-2004-2523?

CVE-2004-2523 is a none vulnerability published on December 31, 2004. 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.

When was CVE-2004-2523 disclosed?

CVE-2004-2523 was first published in the National Vulnerability Database on December 31, 2004, 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-2004-2523 actively exploited?

CVE-2004-2523 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 96.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2004-2523?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2004-2523, 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.

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CVE-2004-2523

📅 Published

🔄 Last Modified

🔗 References (16)