CVE-2001-0187

WU-FTPD 2.4.2/2.5/2.6 - Debug Mode Client Hostname Format String

Severity Score

9.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2001-01-23 First Exploit
2001-03-08 CVE Reserved
2001-03-26 CVE Published
2024-08-08 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CAPEC

References (6)

URL	Tag	Source
ftp://ftp.wu-ftpd.org/pub/wu-ftpd/patches/apply_to_current/missing_format_strings.patch	X_refsource_confirm
https://exchange.xforce.ibmcloud.com/vulnerabilities/6020	Vdb Entry

URL	Date	SRC
https://www.exploit-db.com/exploits/20594	2001-01-23
http://www.securityfocus.com/bid/2296	2024-08-08

URL	Date	SRC

URL	Date	SRC
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000443	2017-10-10
http://www.debian.org/security/2001/dsa-016	2017-10-10

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Washington University Search vendor "Washington University"		Wu-ftpd Search vendor "Washington University" for product "Wu-ftpd"				2.4.1 Search vendor "Washington University" for product "Wu-ftpd" and version "2.4.1"		-		Affected
Washington University Search vendor "Washington University"		Wu-ftpd Search vendor "Washington University" for product "Wu-ftpd"				2.4.2_beta9 Search vendor "Washington University" for product "Wu-ftpd" and version "2.4.2_beta9"		academ		Affected
Washington University Search vendor "Washington University"		Wu-ftpd Search vendor "Washington University" for product "Wu-ftpd"				2.4.2_beta18 Search vendor "Washington University" for product "Wu-ftpd" and version "2.4.2_beta18"		academ		Affected
Washington University Search vendor "Washington University"		Wu-ftpd Search vendor "Washington University" for product "Wu-ftpd"				2.4.2_beta18_vr4 Search vendor "Washington University" for product "Wu-ftpd" and version "2.4.2_beta18_vr4"		-		Affected
Washington University Search vendor "Washington University"		Wu-ftpd Search vendor "Washington University" for product "Wu-ftpd"				2.4.2_beta18_vr5 Search vendor "Washington University" for product "Wu-ftpd" and version "2.4.2_beta18_vr5"		-		Affected
Washington University Search vendor "Washington University"		Wu-ftpd Search vendor "Washington University" for product "Wu-ftpd"				2.4.2_beta18_vr6 Search vendor "Washington University" for product "Wu-ftpd" and version "2.4.2_beta18_vr6"		-		Affected
Washington University Search vendor "Washington University"		Wu-ftpd Search vendor "Washington University" for product "Wu-ftpd"				2.4.2_beta18_vr7 Search vendor "Washington University" for product "Wu-ftpd" and version "2.4.2_beta18_vr7"		-		Affected
Washington University Search vendor "Washington University"		Wu-ftpd Search vendor "Washington University" for product "Wu-ftpd"				2.4.2_beta18_vr8 Search vendor "Washington University" for product "Wu-ftpd" and version "2.4.2_beta18_vr8"		-		Affected
Washington University Search vendor "Washington University"		Wu-ftpd Search vendor "Washington University" for product "Wu-ftpd"				2.4.2_beta18_vr9 Search vendor "Washington University" for product "Wu-ftpd" and version "2.4.2_beta18_vr9"		-		Affected
Washington University Search vendor "Washington University"		Wu-ftpd Search vendor "Washington University" for product "Wu-ftpd"				2.4.2_beta18_vr10 Search vendor "Washington University" for product "Wu-ftpd" and version "2.4.2_beta18_vr10"		-		Affected
Washington University Search vendor "Washington University"		Wu-ftpd Search vendor "Washington University" for product "Wu-ftpd"				2.4.2_beta18_vr11 Search vendor "Washington University" for product "Wu-ftpd" and version "2.4.2_beta18_vr11"		-		Affected
Washington University Search vendor "Washington University"		Wu-ftpd Search vendor "Washington University" for product "Wu-ftpd"				2.4.2_beta18_vr12 Search vendor "Washington University" for product "Wu-ftpd" and version "2.4.2_beta18_vr12"		-		Affected
Washington University Search vendor "Washington University"		Wu-ftpd Search vendor "Washington University" for product "Wu-ftpd"				2.4.2_beta18_vr13 Search vendor "Washington University" for product "Wu-ftpd" and version "2.4.2_beta18_vr13"		-		Affected
Washington University Search vendor "Washington University"		Wu-ftpd Search vendor "Washington University" for product "Wu-ftpd"				2.4.2_beta18_vr14 Search vendor "Washington University" for product "Wu-ftpd" and version "2.4.2_beta18_vr14"		-		Affected
Washington University Search vendor "Washington University"		Wu-ftpd Search vendor "Washington University" for product "Wu-ftpd"				2.4.2_beta18_vr15 Search vendor "Washington University" for product "Wu-ftpd" and version "2.4.2_beta18_vr15"		-		Affected
Washington University Search vendor "Washington University"		Wu-ftpd Search vendor "Washington University" for product "Wu-ftpd"				2.4.2_vr16 Search vendor "Washington University" for product "Wu-ftpd" and version "2.4.2_vr16"		-		Affected
Washington University Search vendor "Washington University"		Wu-ftpd Search vendor "Washington University" for product "Wu-ftpd"				2.4.2_vr17 Search vendor "Washington University" for product "Wu-ftpd" and version "2.4.2_vr17"		-		Affected
Washington University Search vendor "Washington University"		Wu-ftpd Search vendor "Washington University" for product "Wu-ftpd"				2.5 Search vendor "Washington University" for product "Wu-ftpd" and version "2.5"		-		Affected
Washington University Search vendor "Washington University"		Wu-ftpd Search vendor "Washington University" for product "Wu-ftpd"				2.6 Search vendor "Washington University" for product "Wu-ftpd" and version "2.6"		-		Affected