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Vulnerability record · CVE-2019-12144 · published 11 June 2019

CVE-2019-12144: Ipswitch ws ftp server path traversal vulnerability

Ipswitch · Ws Ftp Server

An issue was discovered in SSHServerAPI.dll in Progress ipswitch WS_FTP Server 2018 before 8.6.1. Attackers have the ability to abuse a path traversal vulnerability using the SCP protocol. Attackers who leverage this flaw could also obtain remote code execution by crafting a payload that abuses the SITE command feature.

9.8 CVSS 3.0 Critical EPSS 2.9% · top 13.4% CWE-22 · Path traversal
9.8CVSS 3.0 base score, v2 7.5
2.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

An issue was discovered in SSHServerAPI.dll in Progress ipswitch WS_FTP Server 2018 before 8.6.1. Attackers have the ability to abuse a path traversal vulnerability using the SCP protocol. Attackers who leverage this flaw could also obtain remote code execution by crafting a payload that abuses the SITE command feature.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

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

References

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Related vulnerabilities

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

9.1CVE-2019-12146Ipswitch ws ftp server path traversal vulnerabilityA Directory Traversal issue was discovered in SSHServerAPI.dll in Progress ipswitch WS_FTP Server 2018 before 8.6.1. Attackers have the ability to ab…EPSS 4.0%7.5CVE-2019-12145Ipswitch ws ftp server path traversal vulnerabilityA Directory Traversal issue was discovered in SSHServerAPI.dll in Progress ipswitch WS_FTP Server 2018 before 8.6.1. An attacker can supply a string …EPSS 4.7%7.5CVE-2006-4974Ipswitch ws ftp server vulnerabilityBuffer overflow in Ipswitch WS_FTP Limited Edition (LE) 5.08 allows remote FTP servers to execute arbitrary code via a long response to a PASV comman…EPSS 4.2%7.5CVE-2004-1884Ipswitch ws ftp pro vulnerabilityIpswitch WS_FTP Server 4.0.2 has a backdoor XXSESS_MGRYY username with a default password, which allows remote attackers to gain access.EPSS 5.8%7.5CVE-2003-0772WS_FTP Server buffer overflows in APPE and STAT commandsWS_FTP 3 and 4 contain multiple buffer overflows reachable through long APPE (append) or STAT (status) command arguments. A remote authenticated user…EPSS 85%analysed6.8CVE-2007-0666Ipswitch ws ftp server vulnerabilityIpswitch WS_FTP Server 5.04 allows FTP site administrators to execute arbitrary code on the system via a long input string to the (1) iFTPAddU or (2)…EPSS 1.9%6.5CVE-2006-5000WS_FTP Server buffer overflows in XCRC, XMD5 and XSHA1 commandsWS_FTP Server 5.05 before Hotfix 1, and possibly versions back to 5.0, contains multiple buffer overflows reachable through the XCRC, XMD5 and XSHA1 …EPSS 65%analysed6.5CVE-2006-4847Ipswitch WS_FTP Server buffer overflows in XCRC, XSHA1, XMD5 commandsIpswitch WS_FTP Server 5.05 before Hotfix 1 contains multiple buffer overflows reachable through long XCRC, XSHA1, or XMD5 commands. A remote authent…EPSS 85%analysed

Source: NIST National Vulnerability Database (record CVE-2019-12144), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.