CVE-2001-0187

Exp

Format string vulnerability in wu-ftp 2.6.1 and earlier, when running with debug mode enabled, allows remote attackers to execute arbitrary commands via a malformed argument that is recorded in a PASV port assignment.

Published: 2001-03-26 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2001-0187 is rated High Exploit Risk (83.9/100): CVSS Critical severity, with high exploitation likelihood (EPSS 5.67%, 92th percentile). 2 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-2001-0187

EDB-ID Source Kind Published Link
20594 exploit_db edb 2001-01-23 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2001-0187

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 8.92% 5.67% -3.26%
2 2026-03-02 8.09% 8.92% +0.84%
3 2025-06-20 — 8.09% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2001-0187

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C 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:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2001-0187

OS Trackers for CVE-2001-0187

vendor priority summary link
redhat — — https://access.redhat.com/security/cve/CVE-2001-0187

Vendor comments (NVD) for CVE-2001-0187

  • Red Hat (2006-09-27T00:00:00)

    Red Hat Enterprise Linux 2.1 ships with wu-ftp version 2.6.2 which is not vulnerable to this issue.

Affected software / configurations for CVE-2001-0187

Vendor Product Version Raw CPE
washington_university wu-ftpd 2.4.1 cpe:2.3:a:washington_university:wu-ftpd:2.4.1:*:*:*:*:*:*:*
washington_university wu-ftpd 2.4.2_beta9 cpe:2.3:a:washington_university:wu-ftpd:2.4.2_beta9:*:academ:*:*:*:*:*
washington_university wu-ftpd 2.4.2_beta18 cpe:2.3:a:washington_university:wu-ftpd:2.4.2_beta18:*:academ:*:*:*:*:*
washington_university wu-ftpd 2.4.2_beta18_vr4 cpe:2.3:a:washington_university:wu-ftpd:2.4.2_beta18_vr4:*:*:*:*:*:*:*
washington_university wu-ftpd 2.4.2_beta18_vr5 cpe:2.3:a:washington_university:wu-ftpd:2.4.2_beta18_vr5:*:*:*:*:*:*:*
washington_university wu-ftpd 2.4.2_beta18_vr6 cpe:2.3:a:washington_university:wu-ftpd:2.4.2_beta18_vr6:*:*:*:*:*:*:*
washington_university wu-ftpd 2.4.2_beta18_vr7 cpe:2.3:a:washington_university:wu-ftpd:2.4.2_beta18_vr7:*:*:*:*:*:*:*
washington_university wu-ftpd 2.4.2_beta18_vr8 cpe:2.3:a:washington_university:wu-ftpd:2.4.2_beta18_vr8:*:*:*:*:*:*:*
washington_university wu-ftpd 2.4.2_beta18_vr9 cpe:2.3:a:washington_university:wu-ftpd:2.4.2_beta18_vr9:*:*:*:*:*:*:*
washington_university wu-ftpd 2.4.2_beta18_vr10 cpe:2.3:a:washington_university:wu-ftpd:2.4.2_beta18_vr10:*:*:*:*:*:*:*
washington_university wu-ftpd 2.4.2_beta18_vr11 cpe:2.3:a:washington_university:wu-ftpd:2.4.2_beta18_vr11:*:*:*:*:*:*:*
washington_university wu-ftpd 2.4.2_beta18_vr12 cpe:2.3:a:washington_university:wu-ftpd:2.4.2_beta18_vr12:*:*:*:*:*:*:*
washington_university wu-ftpd 2.4.2_beta18_vr13 cpe:2.3:a:washington_university:wu-ftpd:2.4.2_beta18_vr13:*:*:*:*:*:*:*
washington_university wu-ftpd 2.4.2_beta18_vr14 cpe:2.3:a:washington_university:wu-ftpd:2.4.2_beta18_vr14:*:*:*:*:*:*:*
washington_university wu-ftpd 2.4.2_beta18_vr15 cpe:2.3:a:washington_university:wu-ftpd:2.4.2_beta18_vr15:*:*:*:*:*:*:*
washington_university wu-ftpd 2.4.2_vr16 cpe:2.3:a:washington_university:wu-ftpd:2.4.2_vr16:*:*:*:*:*:*:*
washington_university wu-ftpd 2.4.2_vr17 cpe:2.3:a:washington_university:wu-ftpd:2.4.2_vr17:*:*:*:*:*:*:*
washington_university wu-ftpd 2.5 cpe:2.3:a:washington_university:wu-ftpd:2.5:*:*:*:*:*:*:*
washington_university wu-ftpd 2.6 cpe:2.3:a:washington_university:wu-ftpd:2.6:*:*:*:*:*:*:*

References for CVE-2001-0187

cvelogic Threat Intelligence