THREATPORT/VULNERABILITY/CVE-2006-6564
MEDIUM SEVERITY

CVE-2006-6564

Filezilla vulnerability

CVSS
4.0
EPSS
6.0%
EPSS pct
93th
Exploited
No known
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.
Affected vendor
Filezilla
Affected product
Filezilla
CVSS vector
AV:N/AC:L/Au:S/C:N/I:N/A:P
Published
2006-12-15

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring single-factor authentication. Successful exploitation leads to partial impact to availability.

Its EPSS score of 6.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 93% of all scored CVEs.

Check your external exposure to CVE-2006-6564

  • Confirm whether Filezilla Filezilla is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2006-6564.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2006-6564

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2006-6564 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

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