Unrated severityNVD Advisory· Published Nov 30, 2023· Updated Feb 25, 2026
Improper Validation of Certificate with Host Mismatch in PTC KEPServerEx
CVE-2023-5909
Description
KEPServerEX does not properly validate certificates from clients which may allow unauthenticated users to connect.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: 0
Patches
Vulnerability mechanics
References
1- www.cisa.gov/news-events/ics-advisories/icsa-23-334-03mitregovernment-resource
News mentions
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