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Fencer Vulns
medium 4.0

CVE-2006-6564 json

FileZilla Server before 0.9.22 allows remote attackers to cause a denial of service (crash) via a malformed argument to the STOR command, w…

published 2006-12-15 19 y ago modified 2026-06-16 4 mo ago also EUVD-2006-6547

cvss
4.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.1%
EPSS 6.1% chance of exploitation in 30 days, percentile 93%
public exploits
2
Exploit-DB

Summary

FileZilla Server before 0.9.22 allows remote attackers to cause a denial of service (crash) via a malformed argument to the STOR command, which results in a NULL pointer dereference. NOTE: CVE analysis suggests that the problem might be due to a malformed PORT command.

Timeline

  1. First public exploit (EDB-2901)
  2. Published

Exploit prediction

6.07% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-2914 FileZilla FTP Server 0.9.21 - 'LIST/NLST' Denial of Service dos, 2006-12-11
  • EDB-2901 FileZilla FTP Server 0.9.20b/0.9.21 - 'STOR' Denial of Service dos, 2006-12-09

CVSS scores

assigned by version score vector
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:N/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.