Vulnerability record · CVE-1999-0079 · published 12 September 1997

CVE-1999-0079: Bisonware ftp server vulnerability

BBisonware · Bisonware Ftp Server

Remote attackers can cause a denial of service in FTP by issuing multiple PASV commands, causing the server to run out of available ports.

5.0 CVSS 2.0 Medium EPSS 2.2% · top 18.0%

5.0CVSS 2.0 base score

2.2%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

2References

16 Jun 2026Last modified by NVD

Description

Remote attackers can cause a denial of service in FTP by issuing multiple PASV commands, causing the server to run out of available ports.

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

Affected products

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

BBisonware Ftp Server Bisonware

References

Link	Tags
https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0079
https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0079

Track CVE-1999-0079 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

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

7.5CVE-1999-1510Bisonware FTP Server buffer overflow in USER, LIST and CWD commandsBisonware FTP server prior to 4.1 contains buffer overflows reachable through long USER, LIST, or CWD commands. A remote attacker can crash the servi…EPSS 67%analysed17 May 1999 5.0CVE-1999-1156Bisonware ftp server vulnerabilityBisonWare FTP Server 4.1 and earlier allows remote attackers to cause a denial of service via a malformed PORT command that contains a non-numeric ch…EPSS 1.3%17 May 1999

Source: NIST National Vulnerability Database (record CVE-1999-0079), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.