CVE-2004-1941: Fastream NETFile FTP/Web Server 6.5.1.980 allows remote attackers to cause a denial of service via a username

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MEDIUM 5.0DOWNGRADE

CVE-2004-1941 is a medium-severity flaw (CVSS 5.0) affecting netfile ftp web server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Fastream NETFile FTP/Web Server 6.5.1.980 allows remote attackers to cause a denial of service via a username that does not exist.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	2.0% (top 20%)
CISA exploited list	No
Published	2004-04-19
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: fastream

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2004-04-19 04:00 UTCPublished CVE record published
2026-06-16 22:08 UTCUpdated Record last modified

fastream netfile ftp web server DOWNGRADE

Affected: 6.5.1.980

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.5.1.980

1. Check installed version

apt-cache policy netfile-ftp-web-server || rpm -q netfile-ftp-web-server || netfile-ftp-web-server --version

2. No fixed release: DOWNGRADE to a release before 6.5.1.980 (Debian / Ubuntu)

apt-cache madison netfile-ftp-web-server sudo apt install netfile-ftp-web-server=<VERSION_BEFORE_6.5.1.980> sudo apt-mark hold netfile-ftp-web-server

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list netfile-ftp-web-server sudo dnf downgrade netfile-ftp-web-server-<VERSION_BEFORE_6.5.1.980> sudo dnf versionlock add netfile-ftp-web-server

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2004-1941?

netfile ftp web server: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2004-1941 being exploited?

CVE-2004-1941 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2004-1941 affect?

CVE-2004-1941 affects netfile ftp web server. Severity is medium (CVSS 5.0). Fastream NETFile FTP/Web Server 6.5.1.980 allows remote attackers to cause a denial of service via a username that does not exist.

How urgent is CVE-2004-1941?

Priority 43/100. Public exploit reference

Related CVEs

CVE-2005-1646 HIGH 7.5 DOWNGRADE The default installation of Fastream NETFile FTP/Web Server 7.4.6, which supports FXP, does not require that t
CVE-2004-0677 MEDIUM 5.0 UPGRADE Fastream NETFile FTP Server 6.7.2.1085 and earlier allows remote attackers to cause a denial of service (tempo
CVE-2004-0676 HIGH 10.0 DOWNGRADE Directory traversal vulnerability in Fastream NETFile FTP/Web Server 6.7.2.1085 and earlier allows remote atta

References

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