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CVE-2005-3683

76
FAUCET Score

CVE-2005-3683 describes a stack-based buffer overflow vulnerability in freeFTPd versions prior to 1.0.9 when logging is enabled. This flaw allows unauthenticated remote attackers to trigger a denial of service by sending an excessively long USER command, with the potential for arbitrary code execution. The vulnerability carries a high severity CVSS score of 7.5, indicating it can be exploited over the network with low complexity and no authentication. While not on the CISA KEV catalog, exploit modules are readily available in Metasploit and ExploitDB, though there is minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
1.0CPE matchmatch criteria
cpe:2.3:a:freeftpd:freeftpd:1.0:*:*:*:*:*:*:*
1.0.1CPE matchmatch criteria
cpe:2.3:a:freeftpd:freeftpd:1.0.1:*:*:*:*:*:*:*
1.0.2CPE matchmatch criteria
cpe:2.3:a:freeftpd:freeftpd:1.0.2:*:*:*:*:*:*:*
1.0.3CPE matchmatch criteria
cpe:2.3:a:freeftpd:freeftpd:1.0.3:*:*:*:*:*:*:*
1.0.4CPE matchmatch criteria
cpe:2.3:a:freeftpd:freeftpd:1.0.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
71.51%
Probability of exploitation in next 30 days
EPSS Percentile
99.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
Metasploit: freeFTPd 1.0 Username Overflow · Nov 16, 2005
ExploitDB: EDB-16707 · Jul 3, 2010
This CVE's current EPSS score of 0.7151 is in the 99th percentile among its peer group of 51,466 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

freeftpd.com
marc.info
marc.info
secunia.com / advisories/17583
PatchVendor Advisory
securitytracker.com / id
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/23118
osvdb.org / 20909
Patch
securityfocus.com / bid/15457
Exploit
vupen.com / english/advisories/2005/2458