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CVE-2008-5666

35
FAUCET Score

CVE-2008-5666 describes a denial-of-service vulnerability in WinFTP FTP Server version 2.3.0. An authenticated remote attacker can crash the server by initiating multiple FTP sessions and issuing an invalid "NLST -1" command while in passive mode. This vulnerability has a CVSS score of 3.5, indicating a low severity, as it requires authentication and only results in partial availability impact. Despite its age, public exploit modules exist in Metasploit and ExploitDB, though there is no evidence of active exploitation, KEV listing, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
2.3.0CPE matchmatch criteria
cpe:2.3:a:wftpserver:winftp_ftp_server:2.3.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

3.5LOW

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Exploitability Score
6.8
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
20.59%
Probability of exploitation in next 30 days
EPSS Percentile
97.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
Metasploit: WinFTP 2.3.0 NLST Denial of Service · Sep 26, 2008
ExploitDB: EDB-6717 · Oct 9, 2008
This CVE's current EPSS score of 0.2059 is in the 100th percentile among its peer group of 1,637 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

secunia.com / advisories/32209
Vendor Advisory
securityreason.com / securityalert/4785
exchange.xforce.ibmcloud.com / vulnerabilities/45806
exploit-db.com / exploits/6717
securitytracker.com / id
vupen.com / english/advisories/2008/2801