High severity7.5NVD Advisory· Published Nov 30, 2023· Updated Jun 17, 2026
CVE-2023-5909
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
10- cpe:2.3:a:ptc:thingworx_industrial_connectivity:-:*:*:*:*:*:*:*
- cpe:2.3:a:ptc:thingworx_kepware_server:*:*:*:*:*:*:*:*Range: <=6.14.263.0
- cpe:2.3:a:rockwellautomation:kepserver_enterprise:*:*:*:*:*:*:*:*Range: <=6.14.263.0
- Range: 0
Patches
Vulnerability mechanics
References
1- www.cisa.gov/news-events/ics-advisories/icsa-23-334-03nvdThird Party AdvisoryUS Government Resource
News mentions
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