HOMEVULNERABILITIESCVE-1999-0017
HIGH

CVE-1999-0017

NVD-CWE-OtherPublished: December 10, 1997· Updated: Jun 16, 2026

7.5
CVSS v3.1

Official Description

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

NVD Source

Technical Analysis

CVE-1999-0017 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityP
AvailabilityP
AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected Vendors & Products

caldera1 product(s)
openlinux
freebsd1 product(s)
freebsd
gnu1 product(s)
inet
IBM1 product(s)
aix
netbsd1 product(s)
netbsd
sco3 product(s)
open desktopopenserverunixware
siemens1 product(s)
reliant unix
sun1 product(s)
sunos
wu-ftpd
Source: NVD CPE · 29 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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All References (2)

Quick Facts

CVE IDCVE-1999-0017
CVSS Score7.5 / 10
SeverityHIGH
CISA KEVNo
Affected9 vendor(s)
PublishedDec 10, 1997

Related CVEs (NVD-CWE-Other)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-1999-0017 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.