FileZilla Server before 0.9.22 allows remote attackers to cause a denial of service (crash) via a wildcard argument to the (1) LIST or (2)…

Published 19 y ago 2006-12-15 · modified 4 mo ago 2026-06-16 · JSON

CVSS

4.0

v2.0 · NVD

CISA KEV

not known exploited

EPSS

70.6%

percentile 99%

Public exploits

Metasploit · Exploit-DB · Nuclei check

FileZilla Server before 0.9.22 allows remote attackers to cause a denial of service (crash) via a wildcard argument to the (1) LIST or (2) NLST commands, which results in a NULL pointer dereference, a different set of vectors than CVE-2006-6564. NOTE: CVE analysis suggests that the problem might be due to a malformed PORT command.

Exploit prediction (EPSS)

70.59% probability of exploitation in the next 30 days, higher than 99% of all scored CVEs.

Exploits and detections

Nuclei template FileZilla Server < 0.9.22 - DoS via Wildcard Commands · nuclei detection template
Metasploit auxiliary/dos/windows/ftp/filezilla_server_port FileZilla FTP Server Malformed PORT Denial of Service · metasploit auxiliary, normal rank · 2006-12-11
EDB-2914 FileZilla FTP Server 0.9.21 - 'LIST/NLST' Denial of Service · dos · 2006-12-11

CVSS scores

Assigned by	Version	Score	Vector
NVD	2.0	4.0	`AV:N/AC:L/Au:S/C:N/I:N/A:P`

Classification

Weakness

CWE-476 NULL Pointer Dereference

References

exchange.xforce.ibmcloud.com /vulnerabilities/30853 · vdb-entry, x_refsource_XF, x_transferred
exploit-db.com /exploits/2914 · exploit, x_refsource_EXPLOIT-DB, x_transferred
sourceforge.net /project/shownotes.php?release_id=470364&group_id=21558 · x_refsource_CONFIRM, x_transferred
vupen.com /english/advisories/2006/4937 · vdb-entry, x_refsource_VUPEN, x_transferred

Sources

CVE List: CVE-2006-6565
NVD: CVE-2006-6565

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.