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CVE-2004-0042

19
FAUCET Score

CVE-2004-0042 describes an information disclosure vulnerability in vsftpd version 1.1.3, allowing remote attackers to enumerate valid usernames. This is due to the FTP server returning distinct error messages for valid versus invalid usernames. With a CVSS score of 5.0 (AV:N/AC:L/Au:N/C:P/I:N/A:N), it is a low-severity issue, requiring no authentication and having a low attack complexity, but only impacting confidentiality. There is no evidence of active exploitation, and no public exploit code is available, though it has garnered significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
1.1.3CPE matchmatch criteria
cpe:2.3:a:beasts:vsftpd:1.1.3:*:*:*:*:*:*:*

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
1.23%
Probability of exploitation in next 30 days
EPSS Percentile
65.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0123 is in the 44th percentile among its peer group of 23,690 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

securitytracker.com / id