CVE-2023-45686: Arbitrary file write via WebDAV path traversal in Titan MFT and Titan SFTP servers

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-10-16 · updated 2026-06-17
Weakness: CWE-22

Description

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

Affected products

Southrivertech Titan Mfp Server: before 2.0.18 — fixed in 2.0.18

How to fix

Upgrade to a fixed version: Southrivertech Titan Mfp Server 2.0.18. Check the vendor advisory for mitigations.

References

https://helpdesk.southrivertech.com/portal/en/kb/articles/security-patch-for-issues-cve-2023-45685-through-cve-2023-45690
https://www.rapid7.com/blog/post/2023/10/16/multiple-vulnerabilities-in-south-river-technologies-titan-mft-and-titan-sftp-fixed/
https://helpdesk.southrivertech.com/portal/en/kb/articles/security-patch-for-issues-cve-2023-45685-through-cve-2023-45690
https://www.rapid7.com/blog/post/2023/10/16/multiple-vulnerabilities-in-south-river-technologies-titan-mft-and-titan-sftp-fixed/

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