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CVE-2004-0656

24
FAUCET Score

CVE-2004-0656 describes a denial-of-service vulnerability in PureFTPd versions 1.0.18 and earlier, where remote attackers can exhaust the maximum connection limit. This vulnerability has a CVSS score of 5.0 (medium severity), indicating it can be exploited remotely with low complexity to cause a partial denial of service without requiring authentication. While there is no evidence of active exploitation or Metasploit modules, a Nuclei template exists for detecting this issue. Community discussion and media coverage for this CVE are minimal, suggesting it has not garnered significant attention.

Impacted Technologies

VendorProductVersion(s)CPE
0.96CPE matchmatch criteria
cpe:2.3:a:pureftpd:pureftpd:0.96:*:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:a:pureftpd:pureftpd:1.0:*:*:*:*:*:*:*
1.0.1CPE matchmatch criteria
cpe:2.3:a:pureftpd:pureftpd:1.0.1:*:*:*:*:*:*:*
1.0.2CPE matchmatch criteria
cpe:2.3:a:pureftpd:pureftpd:1.0.2:*:*:*:*:*:*:*
1.0.3CPE matchmatch criteria
cpe:2.3:a:pureftpd:pureftpd:1.0.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.35%
Probability of exploitation in next 30 days
EPSS Percentile
81.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
Nuclei: CVE-2004-0656 · Oct 2, 2025
This CVE's current EPSS score of 0.0235 is in the 72nd percentile among its peer group of 23,684 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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

exchange.xforce.ibmcloud.com / vulnerabilities/16611
gentoo.org / security/en/glsa/glsa-200407-04.xml
PatchVendor Advisory
pureftpd.org