CVE-1999-0017

FTP servers can allow an attacker to connect to arbitrary ports on machines other than the FTP client, aka FTP bounce.

Published: 1997-12-10 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-1999-0017 is rated Moderate Risk (52.8/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.55%). Review affected assets and schedule remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-1999-0017

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 2025-09-14 1.14% 0.55% -0.59%
2 2025-03-30 9.58% 1.14% -8.45%
3 2025-03-29 — 9.58% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-0017

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/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:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-1999-0017

OS Trackers for CVE-1999-0017

vendor priority summary link
alpine — CVE-1999-0017: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-1999-0017

Affected software / configurations for CVE-1999-0017

Vendor Product Version Raw CPE
gnu inet 5.01 cpe:2.3:a:gnu:inet:5.01:*:*:*:*:*:*:*
gnu inet 6.01 cpe:2.3:a:gnu:inet:6.01:*:*:*:*:*:*:*
gnu inet 6.02 cpe:2.3:a:gnu:inet:6.02:*:*:*:*:*:*:*
washington_university wu-ftpd 2.4 cpe:2.3:a:washington_university:wu-ftpd:2.4:*:*:*:*:*:*:*
caldera openlinux 1.2 cpe:2.3:o:caldera:openlinux:1.2:*:*:*:*:*:*:*
freebsd freebsd 1.0 cpe:2.3:o:freebsd:freebsd:1.0:*:*:*:*:*:*:*
freebsd freebsd 1.1 cpe:2.3:o:freebsd:freebsd:1.1:*:*:*:*:*:*:*
freebsd freebsd 1.2 cpe:2.3:o:freebsd:freebsd:1.2:*:*:*:*:*:*:*
freebsd freebsd 2.0 cpe:2.3:o:freebsd:freebsd:2.0:*:*:*:*:*:*:*
freebsd freebsd 2.1.0 cpe:2.3:o:freebsd:freebsd:2.1.0:*:*:*:*:*:*:*
freebsd freebsd 2.1.7 cpe:2.3:o:freebsd:freebsd:2.1.7:*:*:*:*:*:*:*
ibm aix 3.2 cpe:2.3:o:ibm:aix:3.2:*:*:*:*:*:*:*
ibm aix 4.1 cpe:2.3:o:ibm:aix:4.1:*:*:*:*:*:*:*
ibm aix 4.2 cpe:2.3:o:ibm:aix:4.2:*:*:*:*:*:*:*
ibm aix 4.3 cpe:2.3:o:ibm:aix:4.3:*:*:*:*:*:*:*
netbsd netbsd 1.0 cpe:2.3:o:netbsd:netbsd:1.0:*:*:*:*:*:*:*
netbsd netbsd 1.1 cpe:2.3:o:netbsd:netbsd:1.1:*:*:*:*:*:*:*
netbsd netbsd 1.2 cpe:2.3:o:netbsd:netbsd:1.2:*:*:*:*:*:*:*
netbsd netbsd 1.2.1 cpe:2.3:o:netbsd:netbsd:1.2.1:*:*:*:*:*:*:*
sco open_desktop 3.0 cpe:2.3:o:sco:open_desktop:3.0:*:*:*:*:*:*:*
sco openserver 5.0.4 cpe:2.3:o:sco:openserver:5.0.4:*:*:*:*:*:*:*
sco unixware 2.1 cpe:2.3:o:sco:unixware:2.1:*:*:*:*:*:*:*
siemens reliant_unix — cpe:2.3:o:siemens:reliant_unix:*:*:*:*:*:*:*:*
sun sunos 4.1.3u1 cpe:2.3:o:sun:sunos:4.1.3u1:*:*:*:*:*:*:*
sun sunos 4.1.4 cpe:2.3:o:sun:sunos:4.1.4:*:*:*:*:*:*:*
sun sunos 5.3 cpe:2.3:o:sun:sunos:5.3:*:*:*:*:*:*:*
sun sunos 5.4 cpe:2.3:o:sun:sunos:5.4:*:*:*:*:*:*:*
sun sunos 5.4 cpe:2.3:o:sun:sunos:5.4:*:x86:*:*:*:*:*
sun sunos 5.5 cpe:2.3:o:sun:sunos:5.5:*:*:*:*:*:*:*
sun sunos 5.5 cpe:2.3:o:sun:sunos:5.5:*:x86:*:*:*:*:*
sun sunos 5.5.1 cpe:2.3:o:sun:sunos:5.5.1:*:*:*:*:*:*:*
sun sunos 5.5.1 cpe:2.3:o:sun:sunos:5.5.1:*:x86:*:*:*:*:*

References for CVE-1999-0017

cvelogic Threat Intelligence