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Vulnerability record · CVE-2000-0640 · published 8 July 2000

CVE-2000-0640: Steve poulsen guildftpd vulnerability

SSteve Poulsen · Guildftpd

Guild FTPd allows remote attackers to determine the existence of files outside the FTP root via a .. (dot dot) attack, which provides different error messages depending on whether the file exists or not.

7.5 CVSS 2.0 High EPSS 7.2% · top 5.9%
7.5CVSS 2.0 base score
7.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References, 4 tagged exploit
16 Jun 2026Last modified by NVD

Description

Guild FTPd allows remote attackers to determine the existence of files outside the FTP root via a .. (dot dot) attack, which provides different error messages depending on whether the file exists or not.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://archives.neohapsis.com/archives/bugtraq/2000-07/0114.html ExploitPatchVendor Advisory
http://www.osvdb.org/573
http://www.securityfocus.com/bid/1452 ExploitVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/4922
http://archives.neohapsis.com/archives/bugtraq/2000-07/0114.html ExploitPatchVendor Advisory
http://www.osvdb.org/573
http://www.securityfocus.com/bid/1452 ExploitVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/4922

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2006-5133Steve poulsen guildftpd vulnerabilityBuffer overflow in GuildFTPd 0.999.13 allows remote attackers to have an unknown impact, possibly code execution related to input containing "globbin…EPSS 3.1%7.5CVE-2001-0770Steve poulsen guildftpd vulnerabilityBuffer overflow in GuildFTPd Server 0.97 allows remote attacker to execute arbitrary code via a long SITE command.EPSS 3.2%5.0CVE-2003-1267Steve poulsen guildftpd vulnerabilityGuildFTPd 0.999 allows remote attackers to cause a denial of service (crash) via a GET request for MS-DOS device names such as lpt1.EPSS 1.7%5.0CVE-2001-0767Steve poulsen guildftpd vulnerabilityDirectory traversal vulnerability in GuildFTPd 0.9.7 allows attackers to list or read arbitrary files and directories via a .. in (1) LS or (2) GET.EPSS 1.7%5.0CVE-2001-0769Steve poulsen guildftpd vulnerabilityMemory leak in GuildFTPd Server 0.97 allows remote attackers to cause a denial of service via a request containing a null character.EPSS 1.3%4.6CVE-2001-0768Steve poulsen guildftpd vulnerabilityGuildFTPd 0.9.7 stores user names and passwords in plaintext in the default.usr file, which allows local users to gain privileges as other FTP users …EPSS 0.33%

Source: NIST National Vulnerability Database (record CVE-2000-0640), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.