Is CVE-2006-6565 in the CISA KEV catalog?

No. CVE-2006-6565 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2006-6565?

CVE-2006-6565 has a CVSS v2 base score of 4.0 (MEDIUM).

What is the EPSS score for CVE-2006-6565?

CVE-2006-6565 has an EPSS score of 71.50% (99th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2006-6565?

Upgrade filezilla server to 0.9.22 or later.

CVE & CISA-KEV Catalog

CVE-2006-6565

MEDIUMEPSS 99th pctl

4.0

CVSS v2

NVD

Description

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.

CWE-476NULL Pointer Dereference

How to fix

Remediation Available

filezilla serverNVD

Affected:< 0.9.22Fixed in:0.9.22CVE-2006-6565derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

71.50%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

References

Exploit1

exploit-db.com

Third-Party Advisory3

Related Vulnerabilities

Other CWE-476 (NULL Pointer Dereference) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-21758	High	7.5	92%	-	Fix
CVE-2023-21547	High	7.5	88%	-	Fix
CVE-2014-3470	Medium	4.3	86%	-	Fix
CVE-2021-44224	High	8.2	82%	-	Fix
CVE-2016-0742	High	7.5	82%	-	Fix
CVE-2009-1386	Medium	5.0	80%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.