CVE-2001-1031: Directory traversal vulnerability in Meteor FTP 1.0 allows remote attackers to read arbitrary files via (1) a

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MEDIUM 5.0DOWNGRADE

CVE-2001-1031 is a medium-severity flaw (CVSS 5.0) affecting meteor ftpd. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in Meteor FTP 1.0 allows remote attackers to read arbitrary files via (1) a .. (dot dot) in the ls/LIST command, or (2) a ... in the cd/CWD 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	2.0% (top 20%)
CISA exploited list	No
Published	2001-09-27
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: charles clark

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

Am I affected?

Timeline

2001-09-27 04:00 UTCPublished CVE record published
2026-06-16 21:55 UTCUpdated Record last modified

charles clark meteor ftpd DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy meteor-ftpd || rpm -q meteor-ftpd || meteor-ftpd --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison meteor-ftpd sudo apt install meteor-ftpd=<VERSION_BEFORE_1.0> sudo apt-mark hold meteor-ftpd

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

dnf --showduplicates list meteor-ftpd sudo dnf downgrade meteor-ftpd-<VERSION_BEFORE_1.0> sudo dnf versionlock add meteor-ftpd

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-2001-1031?

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

Is CVE-2001-1031 being exploited?

CVE-2001-1031 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-2001-1031 affect?

CVE-2001-1031 affects meteor ftpd. Severity is medium (CVSS 5.0). Directory traversal vulnerability in Meteor FTP 1.0 allows remote attackers to read arbitrary files via (1) a .. (dot dot) in the ls/LIST command, or (2) a ... in the cd/CWD command.

How urgent is CVE-2001-1031?

Priority 43/100. Public exploit reference

References

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