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Fencer Vulns
medium 6.5

CVE-2004-2523 json

Format string vulnerability in the msg command (cat_message function in msg.c) in OpenFTPD 0.30.2 and earlier allows remote authenticated u…

published 2004-12-31 21 y ago modified 2026-06-16 4 mo ago also EUVD-2004-2514

cvss
6.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.4%
EPSS 5.4% chance of exploitation in 30 days, percentile 92%
public exploits
2
Exploit-DB

Summary

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.

Patch / fix

Timeline

  1. First public exploit (EDB-372)
  2. Published

Exploit prediction

5.40% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-373 OpenFTPd 0.30.1 - message system Remote Shell remote, 2004-08-04
  • EDB-372 OpenFTPd 0.30.2 - Remote Overflow remote, 2004-08-03
  • securitytracker.com http://securitytracker.com/id?1010823 referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/bid/10830 referenced PoC, tagged "exploit" by a source, unverified
  • archives.neohapsis.com http://archives.neohapsis.com/archives/bugtraq/2004-08/0017.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.