Vulnerability · Published Nov 30, 2023 · Assigned by icscert
CVE-2023-5909Improper Validation of Certificate with Host Mismatch in PTC KEPServerEx
High 7.5
In plain English
A high-severity security flaw in Industrial Gateway Server from GE Gigital. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 61.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
KEPServerEX does not properly validate certificates from clients which may allow unauthenticated users to connect.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| PTC | KEPServerEX | 0 – through 6.14.263.0 |
| PTC | ThingWorx Kepware Server | 0 – through 6.14.263.0 |
| PTC | ThingWorx Industrial Connectivity | All versions |
| PTC | OPC-Aggregator | 0 – through 6.14 |
| PTC | ThingWorx Kepware Edge | 0 – through 1.7 |
| Rockwell Automation | KEPServer Enterprise | 0 – through 6.14.263.0 |
| GE Gigital | Industrial Gateway Server | 0 – through 7.614 |
| Software Toolbox | TOP Server | 0 – through 6.14.263.0 |
Weakness: CWE-297 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
References
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-334-03 government-resource