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CVE-2004-0042

vsftpd 1.1.3 generates different error messages depending on whether or not a valid username...

5.0 MediumFix available

CVE-2004-0042 is a medium vulnerability (CVSS 5.0) in Beasts Vsftpd, published January 14, 2004. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.23%, the 69th percentile. Fixed in vsftpd 2.0.1-1.

What does this mean?
Severity
5.0 MediumCVSS 2.0, NVD
Exploit chance
1.23%EPSS, 69th percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
2.0.1-1vsftpd +2 more

Description

vsftpd 1.1.3 generates different error messages depending on whether or not a valid username exists, which allows remote attackers to identify valid usernames.

Exploit likelihood

1.23%Up 0.2 points since Feb 4, 2022
90%50%10%1%

Affected products

Affected packages

Affected packages
PackageAffectedFixed
vsftpd
Debian:12
before 2.0.1-1
2.0.1-1
vsftpd
Debian:13
before 2.0.1-1
2.0.1-1
vsftpd
Debian:14
before 2.0.1-1
2.0.1-1

What each source reports

NVD Score used5.0

vsftpd 1.1.3 generates different error messages depending on whether or not a valid username exists, which allows remote attackers to identify valid usernames.

Record
CVE-2004-0042
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Updated
2026-11-02
CVE ListNo score

vsftpd 1.1.3 generates different error messages depending on whether or not a valid username exists, which allows remote attackers to identify valid usernames.

Record
CVE-2004-0042
Updated
2026-11-02
EUVDEUVD-2004-0042No score

vsftpd 1.1.3 generates different error messages depending on whether or not a valid username exists, which allows remote attackers to identify valid usernames.

Record
EUVD-2004-0042
Updated
2026-11-03
GitHub AdvisoriesGHSA-pmqh-r9rm-f532No score

vsftpd 1.1.3 generates different error messages depending on whether or not a valid username...

vsftpd 1.1.3 generates different error messages depending on whether or not a valid username exists, which allows remote attackers to identify valid usernames.

Record
GHSA-pmqh-r9rm-f532
Updated
2026-11-02
OSVNo score

vsftpd 1.1.3 generates different error messages depending on whether or not a valid username exists, which allows remote attackers to identify valid usernames.

Record
CVE-2004-0042
Updated
2026-11-02
OSVDEBIAN-CVE-2004-0042No score

vsftpd 1.1.3 generates different error messages depending on whether or not a valid username exists, which allows remote attackers to identify valid usernames.

Record
DEBIAN-CVE-2004-0042
Updated
2026-11-02

History

History
RecordedChangedSources
facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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