# CVE-2023-29446

## Summary

- **CVE ID:** CVE-2023-29446
- **Severity:** MEDIUM
- **CVSS Score:** 4.7 (CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N)
- **CWE:** CWE-40
- **Published:** Jan 10, 2024
- **Last Modified:** Mar 13, 2026

## Description

An improper input validation vulnerability has been discovered that could allow an adversary to inject a UNC path via a malicious project file. This allows an adversary to capture NLTMv2 hashes and potentially crack them offline.

## Affected Products

- PTC — Kepware KEPServerEX (0)
- PTC — ThingWorx Kepware Server (0)
- PTC — ThingWorx Industrial Connectivity (8.0)

## References

- [CNA](https://www.cisa.gov/news-events/ics-advisories/icsa-23-243-03)
- [CNA](https://www.ptc.com/en/support/article/cs399528)
- [CNA](https://www.dragos.com/advisory/ptcs-kepserverex-vulnerabilities/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.07%
- **EPSS Percentile:** 21.8

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._