Is CVE-2008-5666 actively exploited?

CVE-2008-5666 has no public evidence of in-the-wild exploitation as of 2026-04-23.

What is the CVSS score for CVE-2008-5666?

CVE-2008-5666 has a CVSS score of 3.5 (UNKNOWN severity). Vector: AV:N/AC:M/Au:S/C:N/I:N/A:P.

How do I patch CVE-2008-5666?

Patch guidance is available from wftpserver security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2008-5666.

Which products are affected by CVE-2008-5666?

1 product: wftpserver winftp ftp server.

CVE-2008-5666 - remediation guidance & executive summary

Description

WinFTP FTP Server 2.3.0, when passive (aka PASV) mode is used, allows remote authenticated users to cause a denial of service via a sequence of FTP sessions that include an invalid "NLST -1" command.

CVSS Metrics

Vector: AV:N/AC:M/Au:S/C:N/I:N/A:P
Access Vector: network
Access Cmplx: medium
Auth: single
Confidentiality: none
Integrity: none
Availability: partial
Weaknesses: CWE-399

Metadata

Primary Vendor: WFTPSERVER
Published: 12/19/2008
Last Modified: 4/23/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2008-5666

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary