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Fencer Vulns
high 8.5

CVE-2004-2111 in the critical feed json

Stack-based buffer overflow in the site chmod command in Serv-U FTP Server before 4.2 allows remote attackers to execute arbitrary code via…

published 2004-12-31 21 y ago modified 2026-06-16 4 mo ago also EUVD-2004-2103

cvss
8.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
86.9%
EPSS 86.9% chance of exploitation in 30 days, percentile 99.7%
public exploits
6
Metasploit, Exploit-DB

Summary

Stack-based buffer overflow in the site chmod command in Serv-U FTP Server before 4.2 allows remote attackers to execute arbitrary code via a long filename.

Timeline

  1. First public exploit (EDB-23591)
  2. Published

Exploit prediction

86.87% chance of exploitation in the next 30 days, higher than 99.7% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Metasploit exploit/windows/ftp/servu_chmod Serv-U FTP Server Buffer Overflow metasploit exploit, normal rank, 2004-12-31
  • EDB-23592 RhinoSoft Serv-U FTPd Server 3/4 - MDTM Command Stack Overflow (2) remote, 2004-01-25
  • EDB-23591 RhinoSoft Serv-U FTPd Server 3/4 - MDTM Command Stack Overflow (1) remote, 2004-01-24
  • EDB-18190 RhinoSoft Serv-U FTPd Server < 4.2 - Remote Buffer Overflow (Metasploit) remote, 2011-12-02
  • EDB-822 RhinoSoft Serv-U FTPd Server 4.x - 'site chmod' Remote Buffer Overflow remote, 2004-01-30
  • EDB-149 RhinoSoft Serv-U FTPd Server 3.x/4.x - 'SITE CHMOD' Remote Overflow remote, 2004-01-27
  • securityfocus.com http://www.securityfocus.com/bid/9483 referenced PoC, tagged "exploit" by a source, unverified
  • archives.neohapsis.com http://archives.neohapsis.com/archives/bugtraq/2004-01/0249.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 8.5 AV:N/AC:M/Au:S/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

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.