CVE-2023-45686 — Insufficient path validation when writing a file via WebDAV in South River Techn

Insufficient path validation when writing a file via WebDAV in South River Technologies' Titan MFT and Titan SFTP servers on Linux allows an authenticated attacker to write a file to any location on the filesystem via path traversal

01What is this vulnerability?

Insufficient path validation when writing a file via WebDAV in South River Technologies' Titan MFT and Titan SFTP servers on Linux allows an authenticated attacker to write a file to any location on the filesystem via path traversal

02Affected products

Vendor	Product	Versions
South River Technologies	Titan MFT	0
South River Technologies	Titan SFTP	0

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

08Timeline

• Published: 2023-10-16T16:10:10.084Z
• Last modified: 2024-09-16T17:39:11.007Z

09References

• www.rapid7.com — https://www.rapid7.com/blog/post/2023/10/16/multiple-vulnerabilities-in-south-ri…
• helpdesk.southrivertech.com — https://helpdesk.southrivertech.com/portal/en/kb/articles/security-patch-for-iss…