CVE-2001-0646

Exp

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.

Published: 2001-09-20 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2001-0646 is rated High Exploit Risk (60.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.21%). 3 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2001-0646

EDB-ID Source Kind Published Link
20845 exploit_db edb 2001-05-15 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2001-0646

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 7.98% 3.21% -4.77%
2 2026-02-03 9.00% 7.98% -1.02%
3 2025-05-24 — 9.00% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2001-0646

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2001-0646

Affected software / configurations for CVE-2001-0646

Vendor Product Version Raw CPE
maxum_development_corporation rumpus_ftp_server 1.3.2 cpe:2.3:a:maxum_development_corporation:rumpus_ftp_server:1.3.2:*:*:*:*:*:*:*
maxum_development_corporation rumpus_ftp_server 1.3.4 cpe:2.3:a:maxum_development_corporation:rumpus_ftp_server:1.3.4:*:*:*:*:*:*:*
maxum_development_corporation rumpus_ftp_server 2.0.3dev cpe:2.3:a:maxum_development_corporation:rumpus_ftp_server:2.0.3dev:*:*:*:*:*:*:*

References for CVE-2001-0646

cvelogic Threat Intelligence