CVE-2004-1428

Q: How do I fix CVE-2004-1428?

Upgrade ftp server to 1.4.2.1 or later.

Q: Is CVE-2004-1428 being actively exploited?

Not that we know of. CVE-2004-1428 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 2.8% is the estimated probability that it will be exploited in the next 30 days. That is higher than 85% of all scored CVEs.

Q: How severe is CVE-2004-1428?

CVE-2004-1428 has a CVSS v2 base score of 5.0, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2004-1428 affect?

Published advisories record a fix for ftp server (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

MEDIUMEPSS 85th pctl

5.0

CVSS v2

NVD

Description

ArGoSoft FTP before 1.4.2.1 generates an error message if the user name does not exist instead of prompting for a password, which allows remote attackers to determine valid usernames.

CWE-203

How to fix

Remediation Available

ftp serverNVD

Affected:< 1.4.2.1Fixed in:1.4.2.1CVE-2004-1428derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.84%probability of exploitation in 30 days

85thpercentile

Elevated risk: more likely to be exploited than 85% of all known CVEs.

References

Third-Party Advisory4

Other references4

Related Vulnerabilities

Other CWE-203 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-5753	Medium	5.6	93%	-	Fix
CVE-2003-0190	Medium	5.0	77%	-	Fix
CVE-2017-5715	Medium	5.6	74%	-	Fix
CVE-2018-3639	Medium	5.5	61%	-	Fix
CVE-2023-28770	High	7.5	58%	-	Fix
CVE-2004-1602	Medium	5.0	31%	-	-

Common questions

How do I fix CVE-2004-1428?

Upgrade ftp server to 1.4.2.1 or later.

Is CVE-2004-1428 being actively exploited?

Not that we know of. CVE-2004-1428 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 2.8% is the estimated probability that it will be exploited in the next 30 days. That is higher than 85% of all scored CVEs.

How severe is CVE-2004-1428?

CVE-2004-1428 has a CVSS v2 base score of 5.0, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2004-1428 affect?

Published advisories record a fix for ftp server (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.