How severe is CVE-2000-0640?

CVE-2000-0640 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2000-0640 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2000-0640?

CVE-2000-0640 affects Steve Poulsen Guildftpd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2000-0640?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2000-0640 published?

CVE-2000-0640 was published on 2000-07-08 and last updated on 2026-06-16.

CVE-2000-0640

CVE-2000-0640 is a high-severity vulnerability in Steve Poulsen Guildftpd with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Steve Poulsen Guildftpd
Published: 2000-07-08
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2000-0640?: 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.
How severe is CVE-2000-0640?: CVE-2000-0640 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2000-0640 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-0640?: CVE-2000-0640 affects Steve Poulsen Guildftpd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2000-0640?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2000-0640 published?: CVE-2000-0640 was published on 2000-07-08 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:steve_poulsen:guildftpd:0.9.7:*:*:*:*:*:*:*

More vulnerabilities in Steve Poulsen Guildftpd

CVE-2006-5133 — High (CVSS 7.5): Buffer overflow in GuildFTPd 0.999.13 allows remote attackers to have an unknown impact, possibly code execution…
CVE-2001-0770 — High (CVSS 7.5): Buffer overflow in GuildFTPd Server 0.97 allows remote attacker to execute arbitrary code via a long SITE command.
CVE-2003-1267 — Medium (CVSS 5.0): GuildFTPd 0.999 allows remote attackers to cause a denial of service (crash) via a GET request for MS-DOS device names…
CVE-2001-0769 — Medium (CVSS 5.0): Memory leak in GuildFTPd Server 0.97 allows remote attackers to cause a denial of service via a request containing a…
CVE-2001-0767 — Medium (CVSS 5.0): Directory traversal vulnerability in GuildFTPd 0.9.7 allows attackers to list or read arbitrary files and directories…
CVE-2001-0768 — Medium (CVSS 4.6): GuildFTPd 0.9.7 stores user names and passwords in plaintext in the default.usr file, which allows local users to gain…

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