CVE-2004-2534: Fastream NETFile Server 7.1.2 does not properly handle keep-alive connection timeouts and does not close the c

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HIGH 7.8DOWNGRADE

CVE-2004-2534 is a high-severity flaw (CVSS 7.8) affecting netfile server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Fastream NETFile Server 7.1.2 does not properly handle keep-alive connection timeouts and does not close the connection after a HEAD request, which allows remote attackers to perform a denial of service (connection consumption) by sending a large number HTTP HEAD requests.

Why this priority

High severity
EPSS top 9%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	7.8 (High)
EPSS exploit chance	4.1% (top 9%)
CISA exploited list	No
Published	2004-12-31
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

2004-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:09 UTCUpdated Record last modified

fastream netfile server DOWNGRADE

Affected: 6.5.1.980 · 6.5.1.981 · 6.7.2.1085 · 6.7.3 · 6.7.5 · 7.1 · 7.1.2

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-server || rpm -q netfile-server || netfile-server --version

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

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

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

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

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Fastream NETFile Web Server 7.1.2 - 'HEAD' Denial of Service

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-2004-2534?

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

Is CVE-2004-2534 being exploited?

CVE-2004-2534 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-2004-2534 affect?

CVE-2004-2534 affects netfile server. Severity is high (CVSS 7.8). Fastream NETFile Server 7.1.2 does not properly handle keep-alive connection timeouts and does not close the connection after a HEAD request, which allows remote attackers to perform a denial of service (connection consumption) by sending a

How urgent is CVE-2004-2534?

Priority 55/100. High severity; EPSS top 9%: very likely to be exploited; Public exploit reference

References

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