What’s Vulnerable › Vulnerabilities

CVE-2019-12146

• Severity: critical (CVSS 9.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.0% 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

A Directory Traversal issue was discovered in SSHServerAPI.dll in Progress ipswitch WS_FTP Server 2018 before 8.6.1. Attackers have the ability to abuse a flaw in the SCP listener by crafting strings using specific patterns to write files and create directories outside of their authorized directory.

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

Get alerted when CVE-2019-12146 or the next vulnerability affects your stack