Improper Validation of Certificate with Host Mismatch in PTC KEPServerEx
CVE-2023-5909

7.5HIGH

Key Information:

Vendor

PTC

Status
KEPServerEX
ThingWorx Kepware Server
ThingWorx Industrial Connectivity
OPC-Aggregator
Vendor
CVE Published:
30 November 2023

What is CVE-2023-5909?

KEPServerEX by Kepware is susceptible to a vulnerability where the software fails to properly validate certificates from clients. This could allow unauthorized users to connect to the system, potentially compromising sensitive data and control over connected devices. Organizations using KEPServerEX should apply the latest security updates to mitigate this risk.

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Affected Version(s)

Industrial Gateway Server 0 <= 7.614

KEPServer Enterprise 0 <= 6.14.263.0

KEPServerEX 0 <= 6.14.263.0

References

https://www.cisa.gov/news-events/ics-advisories/icsa-23-3...
government-resource

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Shawn Hoffman
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