CVE-2019-12144

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-06-11 · updated 2026-06-17
Weakness: CWE-22

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.

Affected products

Ipswitch Ws Ftp Server: before 8.6.1 — fixed in 8.6.1

How to fix

Upgrade to a fixed version: Ipswitch Ws Ftp Server 8.6.1. Check the vendor advisory for mitigations.

References

https://docs.ipswitch.com/WS_FTP_Server2018/ReleaseNotes/index.htm#49242.htm
https://docs.ipswitch.com/WS_FTP_Server2018/ReleaseNotes/index.htm#49242.htm

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