CVE-2005-3683

NONECVSS 0.0Weaponized
0.0
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 72%
CISA-KEV: Not listedEPSS: 72%CVSS: —Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Stack-based buffer overflow in freeFTPd before 1.0.9 with Logging enabled, allows remote attackers to cause a denial of service (application crash), and possibly execute arbitrary code, via a long USER command.

CVSS v3
—
EG Score
0.0(none)
EPSS
99.3%
KEV
Not listed

Published

November 19, 2005

Last Modified

April 16, 2026

References (18)

Data Freshness Timeline

(refreshed 4× in last 7d / 13× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-13 22:24 UTCEPSS rescore
  2. 2026-07-13 06:07 UTCEPSS rescore
  3. 2026-07-13 06:07 UTCEPSS rescore
  4. 2026-07-08 15:09 UTCEPSS rescore
  5. 2026-07-01 15:01 UTCEPSS rescore
  6. 2026-06-25 13:46 UTCEPSS rescore
  7. 2026-06-24 14:01 UTCEPSS rescore
  8. 2026-06-23 21:29 UTCEPSS rescore
  9. 2026-06-17 17:49 UTCEPSS rescore
  10. 2026-06-17 17:49 UTCEPSS rescore
  11. 2026-06-16 17:49 UTCEPSS rescore
  12. 2026-06-16 17:49 UTCEPSS rescore
  13. 2026-06-15 17:44 UTCEPSS rescore
  14. 2026-06-12 23:08 UTCEPSS rescore
  15. 2026-06-10 22:14 UTCEPSS rescore
  16. 2026-06-10 13:17 UTCEPSS rescore
  17. 2026-06-08 14:13 UTCEPSS rescore
  18. 2026-06-06 13:44 UTCEPSS rescore
  19. 2026-06-06 13:44 UTCEPSS rescore
  20. 2026-06-05 22:43 UTCEPSS rescore
  21. 2026-06-05 22:43 UTCEPSS rescore
  22. 2026-06-05 06:07 UTCEPSS rescore
  23. 2026-06-05 06:07 UTCEPSS rescore
  24. 2026-06-04 13:09 UTCEPSS rescore
  25. 2026-06-04 13:09 UTCEPSS rescore
Show 12 more
  1. 2026-05-31 22:28 UTCEPSS rescore
  2. 2026-05-31 11:35 UTCEG score recompute
  3. 2026-05-31 11:35 UTCGHSA enrichment
  4. 2026-05-31 00:13 UTCEPSS rescore
  5. 2026-05-31 00:13 UTCEPSS rescore
  6. 2026-05-28 13:42 UTCEPSS rescore
  7. 2026-05-28 13:42 UTCEPSS rescore
  8. 2026-05-28 13:42 UTCEPSS rescore
  9. 2026-05-27 13:37 UTCEPSS rescore
  10. 2026-05-24 16:42 UTCEPSS rescore
  11. 2026-05-22 21:15 UTCEPSS rescore
  12. 2026-05-18 21:29 UTCEPSS rescore

Publicly available exploits

(3 references)

Working exploit code is in the public domain (1 Metasploit module) (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-16707✓ verified
    First seen Jul 3, 2010

    freeFTPd 1.0 - 'Username' Remote Overflow (Metasploit)

    Open source ↗
  • Exploit-DBEDB-1330✓ verified
    First seen Nov 17, 2005

    freeFTPd 1.0.8 - 'USER' Remote Buffer Overflow

    Open source ↗
  • Metasploitexploit/windows/ftp/freeftpd_user✓ verified
    First seen Nov 16, 2005

    freeFTPd 1.0 Username Overflow

    Open source ↗

Frequently asked(4)

What is CVE-2005-3683?
CVE-2005-3683 is a none vulnerability published on November 19, 2005. Stack-based buffer overflow in freeFTPd before 1.0.9 with Logging enabled, allows remote attackers to cause a denial of service (application crash), and possibly execute arbitrary code, via a long USER command.
When was CVE-2005-3683 disclosed?
CVE-2005-3683 was first published in the National Vulnerability Database on November 19, 2005, 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-2005-3683 actively exploited?
CVE-2005-3683 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2005-3683?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2005-3683, 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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