CVE-2023-5909

HIGH

KEPServerEX < 6.14.263.0 - Unauthenticated Improper Certificate Validation

Title source: llm
STIX 2.1

Description

KEPServerEX does not properly validate certificates from clients which may allow unauthenticated users to connect.

References (1)

Core 1
Core References
Third Party Advisory, US Government Resource government-resource
https://www.cisa.gov/news-events/ics-advisories/icsa-23-334-03

Scores

CVSS v3 7.5
EPSS 0.0008
EPSS Percentile 22.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-295 CWE-297
Status published
Products (8)
ge/industrial_gateway_server < 7.614
ptc/keepserverex < 6.14.263.0
ptc/opc-aggregator < 6.14
ptc/thingworx_industrial_connectivity
ptc/thingworx_kepware_edge < 1.7
ptc/thingworx_kepware_server < 6.14.263.0
rockwellautomation/kepserver_enterprise < 6.14.263.0
softwaretoolbox/top_server < 6.14.263.0
Published Nov 30, 2023
Tracked Since Feb 18, 2026