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Vulnerability record · CVE-2006-6564 · published 15 December 2006

CVE-2006-6564: Filezilla vulnerability

Filezilla · Filezilla

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.

4.0 CVSS 2.0 Medium EPSS 6.1% · top 6.9%
4.0CVSS 2.0 base score
6.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
16 Jun 2026Last modified by NVD

Description

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.

AV:N/AC:L/Au:S/C:N/I:N/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://retrogod.altervista.org/filezilla_0921_dos.html
http://sourceforge.net/project/shownotes.php?release_id=470364&group_id=21558
http://www.vupen.com/english/advisories/2006/4937
https://exchange.xforce.ibmcloud.com/vulnerabilities/30853
http://retrogod.altervista.org/filezilla_0921_dos.html
http://sourceforge.net/project/shownotes.php?release_id=470364&group_id=21558
http://www.vupen.com/english/advisories/2006/4937
https://exchange.xforce.ibmcloud.com/vulnerabilities/30853

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.3CVE-2007-2318Filezilla vulnerabilityMultiple format string vulnerabilities in FileZilla before 2.2.32 allow remote attackers to execute arbitrary code via format string specifiers in (1…EPSS 4.5%9.3CVE-2007-0315Filezilla memory buffer overflow vulnerabilityMultiple buffer overflows in FileZilla before 2.2.30a allow remote attackers to execute arbitrary code or cause a denial of service (application cras…EPSS 4.0%7.5CVE-2007-0317Filezilla vulnerabilityFormat string vulnerability in the LogMessage function in FileZilla before 3.0.0-beta5 allows remote attackers to cause a denial of service (applicat…EPSS 2.5%7.5CVE-2006-2403Filezilla vulnerabilityBuffer overflow in FileZilla before 2.2.23 allows remote attackers to execute arbitrary commands via unknown attack vectors.EPSS 2.4%4.6CVE-2005-2898Filezilla vulnerabilityNOTE: this issue has been disputed by the vendor. FileZilla 2.2.14b and 2.2.15, and possibly earlier versions, when "Use secure mode" is disabled, us…EPSS 0.50%

Source: NIST National Vulnerability Database (record CVE-2006-6564), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.