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CVE-2004-1428

20
FAUCET Score

CVE-2004-1428 affects ArGoSoft FTP Server versions prior to 1.4.2.1, allowing remote attackers to enumerate valid usernames. The vulnerability stems from the server's differing error messages for non-existent versus existing usernames, enabling an attacker to distinguish between them. With a CVSS score of 5.0, this low-complexity attack requires no authentication and can lead to information disclosure (username enumeration). While there is no known active exploitation, public exploit code, or KEV listing, the vulnerability has garnered significant community discussion, indicating awareness among security researchers.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.4.2.1CPE matchmatch criteria
cpe:2.3:a:argosoft:ftp_server:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

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

Exploit Intelligence

EPSS Score
2.84%
Probability of exploitation in next 30 days
EPSS Percentile
85.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0284 is in the 79th percentile among its peer group of 23,701 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

marc.info
Third Party Advisory
secunia.com / advisories/13063
Broken Link
securitytracker.com / id
Broken LinkThird Party AdvisoryVDB Entry
exchange.xforce.ibmcloud.com / vulnerabilities/18721
Third Party AdvisoryVDB Entry
argosoft.com / ftpserver/changelist.aspx
Broken Link
lovebug.org / argosoft_advisory.txt
Broken LinkURL Repurposed
osvdb.org / 11335
Broken Link
securityfocus.com / bid/12139
Broken LinkThird Party AdvisoryVDB Entry