CVE-2023-29446 - CVE House
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Status published Medium CVE-2023-29446

Improper Input Validation in PTC's Kepware KEPServerEX

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Sam Hanson of Dragos

References

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CVE-2023-5909
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CVE-2023-5908
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Affected Vendor

Affected Software

Kepware KEPServerEX, ThingWorx Kepware Server, ThingWorx Industrial Connectivity
Vulnerable Versions:
0, 8.0

Timeline

Official Publish: January 10th, 2024
Last Modified: November 14th, 2024
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

Weaknesses (CWE)

CWE-40

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.