CVE-2019-12143

Name: CVE-2019-12143
Creator: NVD / NIST
Published: 2019-06-11T21:29:01.053+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.99%

Last modified Jun 17, 2026

CVE-2019-12143 is a vulnerability of currently unknown severity. A 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 using special patterns via the SCP protocol to disclose WS_FTP usernames as well as filenames.. EPSS estimates a 1.99% chance of exploitation in the next 30 days.

Description

A 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 using special patterns via the SCP protocol to disclose WS_FTP usernames as well as filenames.

Metrics

EPSS Probability

1.99%

78.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Progress	Ws Ftp Server	< 8.6.1

References

https://docs.ipswitch.com/WS_FTP_Server2018/ReleaseNotes/index.htm#49242.htmRelease Notes, Vendor Advisory
https://docs.ipswitch.com/WS_FTP_Server2018/ReleaseNotes/index.htm#49242.htmRelease Notes, Vendor Advisory

Timeline

Published: Jun 11, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-12143?

How severe is CVE-2019-12143?

Severity scoring for CVE-2019-12143 is pending analysis. The EPSS model estimates a 1.99% probability of exploitation in the next 30 days.

How do I fix CVE-2019-12143?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-12143?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST