# CVE-2023-29377

## Summary

- **CVE ID:** CVE-2023-29377
- **Severity:** MEDIUM
- **CVSS Score:** 6.6 (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** CWE-23
- **Published:** Sep 14, 2026
- **Last Modified:** Sep 14, 2026

## Description

An issue was discovered in Softing OPC UA C++ SDK through 6.20 and Softing Secure Integration Server through 1.22. By using FileType renames, it is possible to bypass limitations on assignment of a directory path to FileDirectory OPC UA objects and a file path to File OPC UA objects.

## Affected Products

- Softing — Secure Integration Server (0)

## References

- [CNA](https://industrial.softing.com/fileadmin/psirt/downloads/syt-2023-02.html)
- [CNA](https://industrial.softing.com/fileadmin/psirt/downloads/syt-2023-02.json)
- [CNA](https://www.zerodayinitiative.com/advisories/ZDI-23-1055/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.48%
- **EPSS Percentile:** 40.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._