CVE-2019-10009 — A Directory Traversal issue was discovered in the Web GUI in Titan FTP Server 20

A Directory Traversal issue was discovered in the Web GUI in Titan FTP Server 2019 Build 3505. When an authenticated user attempts to preview an uploaded file (through PreviewHandler.ashx) by using a \..\..\ technique, arbitrary files can be loaded in the server response outside

01What is this vulnerability?

A Directory Traversal issue was discovered in the Web GUI in Titan FTP Server 2019 Build 3505. When an authenticated user attempts to preview an uploaded file (through PreviewHandler.ashx) by using a \..\..\ technique, arbitrary files can be loaded in the server response outside the root directory.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-06-03T20:53:15.000Z
• Last modified: 2024-08-04T22:10:08.650Z

09References

• seclists.org — http://seclists.org/fulldisclosure/2019/Mar/47
• www.exploit-db.com — https://www.exploit-db.com/exploits/46611/
• packetstormsecurity.com — http://packetstormsecurity.com/files/152244/Titan-FTP-Server-2019-Build-3505-Dir…
• seclists.org — https://seclists.org/fulldisclosure/2019/Mar/47
• www.exploit-db.com — https://www.exploit-db.com/exploits/46611
• www.southrivertech.com — http://www.southrivertech.com/software/regsoft/titanftp/v19/verhist_en.html