CVE-2023-5909
HIGH EPSS 35.3%
Published Nov 30, 20232y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
Published Nov 30, 2023 2y ago
Last Modified Jun 17, 2026 2w ago
Description
KEPServerEX does not properly validate certificates from clients which may allow unauthenticated users to connect.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability None
Threat Intelligence
EPSS Exploit Probability
35.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 2
CWE-295
CWE-297
Affected Products 8
| Vendor | Product | Version | Range |
|---|---|---|---|
| ge | industrial_gateway_server | * | ≤7.614 |
| ptc | keepserverex | * | ≤6.14.263.0 |
| ptc | opc-aggregator | * | ≤6.14 |
| ptc | thingworx_industrial_connectivity | * | any |
| 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 |
References 1
- cisa.gov https://www.cisa.gov/news-events/ics-advisories/icsa-23-334-03
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.