How severe is CVE-2001-0646?

CVE-2001-0646 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2001-0646 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-0646?

CVE-2001-0646 primarily affects Maxum Development Corporation Rumpus Ftp Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2001-0646?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2001-0646 published?

CVE-2001-0646 was published on 2001-09-20 and last updated on 2026-06-16.

CVE-2001-0646

CVE-2001-0646 is a medium-severity vulnerability in Maxum Development Corporation Rumpus Ftp Server with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Maxum Development Corporation Rumpus Ftp Server
Published: 2001-09-20
Last modified: 2026-06-16

Description

Maxum Rumpus FTP Server 1.3.3 and 2.0.3 dev 3 allows a remote attacker to perform a denial of service (hang) by creating a directory name of a specific length.

Frequently asked questions

What is CVE-2001-0646?: Maxum Rumpus FTP Server 1.3.3 and 2.0.3 dev 3 allows a remote attacker to perform a denial of service (hang) by creating a directory name of a specific length.
How severe is CVE-2001-0646?: CVE-2001-0646 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2001-0646 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0646?: CVE-2001-0646 primarily affects Maxum Development Corporation Rumpus Ftp Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-0646?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2001-0646 published?: CVE-2001-0646 was published on 2001-09-20 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:maxum_development_corporation:rumpus_ftp_server:1.3.2:*:*:*:*:*:*:*
cpe:2.3:a:maxum_development_corporation:rumpus_ftp_server:1.3.4:*:*:*:*:*:*:*
cpe:2.3:a:maxum_development_corporation:rumpus_ftp_server:2.0.3dev:*:*:*:*:*:*:*

More vulnerabilities in Maxum Development Corporation Rumpus Ftp Server

CVE-2001-0644 — 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…
CVE-2007-0019 — Medium (CVSS 6.5): Multiple heap-based buffer overflows in rumpusd in Rumpus 5.1 and earlier (1) allow remote authenticated users to…
CVE-2007-0367 — Medium (CVSS 4.6): Rumpus 5.1 and earlier has weak permissions for certain files and directories under /usr/local/Rumpus, including the…
CVE-2007-0366 — Medium (CVSS 4.6): Untrusted search path vulnerability in Rumpus 5.1 and earlier allows local users to gain privileges via a modified PATH…
CVE-2001-0706 — Low (CVSS 2.1): Maximum Rumpus FTP Server 2.0.3 dev and before allows an attacker to cause a denial of service (crash) via a mkdir…

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