Improper Input Validation in PTC's Kepware KEPServerEX
CVE-2023-29446

4.7MEDIUM

Key Information:

Vendor

Ptc

Status
Kepware Kepserverex
Thingworx Kepware Server
Thingworx Industrial Connectivity
Vendor
CVE Published:
10 January 2024

What is CVE-2023-29446?

An improper input validation vulnerability exists in PTC's Kepware KEPServerEX that allows attackers to manipulate the system by injecting a Universal Naming Convention (UNC) path through a malicious project file. This vulnerability could facilitate the unauthorized capture of NLTMv2 hashes, enabling potential offline cracking attempts. Organizations relying on these products should assess their systems and consider applying necessary updates and security measures to mitigate this risk.

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Deploy the Patch

Affected Version(s)

Kepware KEPServerEX Windows 0 <= 6.14.263.0

ThingWorx Industrial Connectivity Windows 8.0 <= 8.5

ThingWorx Kepware Server Windows 0 <= 6.14.263.0

References

https://www.cisa.gov/news-events/ics-advisories/icsa-23-2...
government-resource
https://www.ptc.com/en/support/article/cs399528
vendor-advisory
https://www.dragos.com/advisory/ptcs-kepserverex-vulnerab...

CVSS V3.1

Score:
4.7
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Sam Hanson of Dragos
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