CVE-2000-0646: WFTPD and WFTPD Pro 2.41 allows remote attackers to obtain the real pathname for a file by executing a STATUS

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MEDIUM 5.0DOWNGRADE

CVE-2000-0646 is a medium-severity flaw (CVSS 5.0) affecting wftpd. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

WFTPD and WFTPD Pro 2.41 allows remote attackers to obtain the real pathname for a file by executing a STATUS (STAT) command while the file is being transferred.

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	2.2% (top 17%)
CISA exploited list	No
Published	2000-07-21
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: texas imperial software

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

Am I affected?

Timeline

2000-07-21 04:00 UTCPublished CVE record published
2026-06-16 21:52 UTCUpdated Record last modified

texas imperial software wftpd DOWNGRADE

Affected: 2.4.1 · 2.4.1_rc11 · 2.34 · 2.40

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.4.1

1. Check installed version

apt-cache policy wftpd || rpm -q wftpd || wftpd --version

2. No fixed release: DOWNGRADE to a release before 2.4.1 (Debian / Ubuntu)

apt-cache madison wftpd sudo apt install wftpd=<VERSION_BEFORE_2.4.1> sudo apt-mark hold wftpd

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

dnf --showduplicates list wftpd sudo dnf downgrade wftpd-<VERSION_BEFORE_2.4.1> sudo dnf versionlock add wftpd

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-2000-0646?

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

Is CVE-2000-0646 being exploited?

CVE-2000-0646 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-2000-0646 affect?

CVE-2000-0646 affects wftpd. Severity is medium (CVSS 5.0). WFTPD and WFTPD Pro 2.41 allows remote attackers to obtain the real pathname for a file by executing a STATUS (STAT) command while the file is being transferred.

How urgent is CVE-2000-0646?

Priority 43/100. Public exploit reference

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References

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