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Fencer Vulns
medium 5.0

CVE-2004-1602 json

ProFTPD 1.2.x, including 1.2.8 and 1.2.10, responds in a different amount of time when a given username exists, which allows remote attacke…

published 2004-10-15 22 y ago modified 2026-06-16 4 mo ago also EUVD-2004-1596

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
30.7%
EPSS 30.7% chance of exploitation in 30 days, percentile 98%
public exploits
1
Exploit-DB, plus a Nuclei check

Summary

ProFTPD 1.2.x, including 1.2.8 and 1.2.10, responds in a different amount of time when a given username exists, which allows remote attackers to identify valid usernames by timing the server response.

Patch / fix

Timeline

  1. Published
  2. First public exploit (EDB-581)

Exploit prediction

30.68% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-581 ProFTPd 1.2.10 - Remote Users Enumeration remote, 2004-10-17
  • Nuclei template ProFTPD 1.2.x - Username Enumeration via Timing Attack nuclei detection template
  • securitytracker.com http://securitytracker.com/id?1011687 referenced PoC, tagged "exploit" by a source, unverified
  • security.lss.hr http://security.lss.hr/index.php?page=details&ID=LSS-2004-10-02 referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/bid/11430 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness

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.