CVE-2005-2479: Quick 'n Easy FTP Server 3.0 allows remote attackers to cause a denial of service (application crash or CPU co

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MEDIUM 5.0DOWNGRADE

CVE-2005-2479 is a medium-severity flaw (CVSS 5.0) affecting quick n easy ftp server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Quick 'n Easy FTP Server 3.0 allows remote attackers to cause a denial of service (application crash or CPU consumption) via a long USER command.

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	3.7% (top 10%)
CISA exploited list	No
Published	2005-08-05
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: pablo software solutions

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

Am I affected?

Timeline

2005-08-05 04:00 UTCPublished CVE record published
2026-06-16 22:14 UTCUpdated Record last modified

pablo software solutions quick n easy ftp server DOWNGRADE

Affected: 3.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.0

1. Check installed version

apt-cache policy quick-n-easy-ftp-server || rpm -q quick-n-easy-ftp-server || quick-n-easy-ftp-server --version

2. No fixed release: DOWNGRADE to a release before 3.0 (Debian / Ubuntu)

apt-cache madison quick-n-easy-ftp-server sudo apt install quick-n-easy-ftp-server=<VERSION_BEFORE_3.0> sudo apt-mark hold quick-n-easy-ftp-server

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

dnf --showduplicates list quick-n-easy-ftp-server sudo dnf downgrade quick-n-easy-ftp-server-<VERSION_BEFORE_3.0> sudo dnf versionlock add quick-n-easy-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: Quick 'n EasY 3.0 FTP Server - 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-2005-2479?

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

Is CVE-2005-2479 being exploited?

CVE-2005-2479 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-2005-2479 affect?

CVE-2005-2479 affects quick n easy ftp server. Severity is medium (CVSS 5.0). Quick 'n Easy FTP Server 3.0 allows remote attackers to cause a denial of service (application crash or CPU consumption) via a long USER command.

How urgent is CVE-2005-2479?

Priority 45/100. Public exploit reference

Related CVEs

CVE-2006-3844 MEDIUM 6.5 DOWNGRADE Buffer overflow in Quick 'n Easy FTP Server 3.0 allows remote authenticated users to execute arbitrary command
CVE-2006-2027 MEDIUM 6.5 DOWNGRADE Buffer overflow in Unicode processing in the logging functionality in Pablo Software Solutions Quick 'n Easy F
CVE-2004-2747 MEDIUM 4.0 DOWNGRADE Directory traversal vulnerability in Pablo Software Solutions Quick 'n Easy FTP Server 1.77, and possibly earl

References

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