CVE-2006-6724: BolinTech Dream FTP Server 1.02 allows remote authenticated users, including anonymous users, to cause a denia

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MEDIUM 4.0DOWNGRADE

CVE-2006-6724 is a medium-severity flaw (CVSS 4.0) affecting dream ftp server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

BolinTech Dream FTP Server 1.02 allows remote authenticated users, including anonymous users, to cause a denial of service (application crash) via a certain invalid PORT command.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.0 (Medium)
EPSS exploit chance	2.5% (top 15%)
CISA exploited list	No
Published	2006-12-26
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: bolintech

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

Am I affected?

Timeline

2006-12-26 21:28 UTCPublished CVE record published
2026-06-16 22:33 UTCUpdated Record last modified

bolintech dream ftp server DOWNGRADE

Affected: 1.02

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.02

1. Check installed version

apt-cache policy dream-ftp-server || rpm -q dream-ftp-server || dream-ftp-server --version

2. No fixed release: DOWNGRADE to a release before 1.02 (Debian / Ubuntu)

apt-cache madison dream-ftp-server sudo apt install dream-ftp-server=<VERSION_BEFORE_1.02> sudo apt-mark hold dream-ftp-server

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

dnf --showduplicates list dream-ftp-server sudo dnf downgrade dream-ftp-server-<VERSION_BEFORE_1.02> sudo dnf versionlock add dream-ftp-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: BolinTech DreamFTP Server 1.0.2 - 'PORT' Remote 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-2006-6724?

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

Is CVE-2006-6724 being exploited?

CVE-2006-6724 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-2006-6724 affect?

CVE-2006-6724 affects dream ftp server. Severity is medium (CVSS 4.0). BolinTech Dream FTP Server 1.02 allows remote authenticated users, including anonymous users, to cause a denial of service (application crash) via a certain invalid PORT command.

How urgent is CVE-2006-6724?

Priority 40/100. Public exploit reference

Related CVEs

CVE-2004-2074 MEDIUM 5.0 DOWNGRADE Format string vulnerability in Dream FTP 1.02 allows local users to cause a denial of service (crash) via form
CVE-2004-0277 HIGH 10.0 DOWNGRADE Format string vulnerability in Dream FTP 1.02 allows remote attackers to cause a denial of service (crash) and

References

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