CVE-2001-0644: Maxum Rumpus FTP Server 1.3.3 and 2.0.3 dev 3 stores passwords in plaintext in the "Rumpus User Database" file

Q: How do I fix CVE-2001-0644?

rumpus ftp server: upgrade to newer than 2.0.3_dev_3. Exact commands for each OS are on this page.

Q: Is CVE-2001-0644 being exploited?

CVE-2001-0644 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2001-0644 affect?

CVE-2001-0644 affects rumpus ftp server. Severity is high (CVSS 7.5). Maxum Rumpus FTP Server 1.3.3 and 2.0.3 dev 3 stores passwords in plaintext in the "Rumpus User Database" file in the prefs folder, which could allow attackers to gain privileges on the server.

Q: How urgent is CVE-2001-0644?

Priority 50/100. High severity; Public exploit reference

This month

HIGH 7.5UPGRADE

CVE-2001-0644 is a high-severity flaw (CVSS 7.5) affecting rumpus ftp server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Maxum Rumpus FTP Server 1.3.3 and 2.0.3 dev 3 stores passwords in plaintext in the "Rumpus User Database" file in the prefs folder, which could allow attackers to gain privileges on the server.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.5% (top 26%)
CISA exploited list	No
Published	2001-09-20
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: maxum development corporation

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

Am I affected?

Timeline

2001-09-20 04:00 UTCPublished CVE record published
2026-06-16 21:54 UTCUpdated Record last modified

maxum development corporation rumpus ftp server UPGRADE

Affected: <= 2.0.3_dev_3 · 1.3.2 · 1.3.3 · 1.3.4

Fixed in: newer than 2.0.3_dev_3

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.0.3_dev_3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade rumpus-ftp-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade rumpus-ftp-server

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2001-0644?

rumpus ftp server: upgrade to newer than 2.0.3_dev_3. Exact commands for each OS are on this page.

Is CVE-2001-0644 being exploited?

CVE-2001-0644 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-2001-0644 affect?

CVE-2001-0644 affects rumpus ftp server. Severity is high (CVSS 7.5). Maxum Rumpus FTP Server 1.3.3 and 2.0.3 dev 3 stores passwords in plaintext in the "Rumpus User Database" file in the prefs folder, which could allow attackers to gain privileges on the server.

How urgent is CVE-2001-0644?

Priority 50/100. High severity; Public exploit reference

Related CVEs

CVE-2007-0367 MEDIUM 4.6 UPGRADE Rumpus 5.1 and earlier has weak permissions for certain files and directories under /usr/local/Rumpus, includi
CVE-2007-0366 MEDIUM 4.6 UPGRADE Untrusted search path vulnerability in Rumpus 5.1 and earlier allows local users to gain privileges via a modi
CVE-2007-0019 MEDIUM 6.5 UPGRADE Multiple heap-based buffer overflows in rumpusd in Rumpus 5.1 and earlier (1) allow remote authenticated users
CVE-2001-0706 LOW 2.1 DOWNGRADE Maximum Rumpus FTP Server 2.0.3 dev and before allows an attacker to cause a denial of service (crash) via a m
CVE-2001-0646 MEDIUM 5.0 DOWNGRADE Maxum Rumpus FTP Server 1.3.3 and 2.0.3 dev 3 allows a remote attacker to perform a denial of service (hang) b

References

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