Description
KEPServerEX v6.0 to v6.9, ThingWorx Kepware Server v6.8 and v6.9, ThingWorx Industrial Connectivity (all versions), OPC-Aggregator (all versions), Rockwell Automation KEPServer Enterprise, GE Digital Industrial Gateway Server v7.68.804 and v7.66, and Software Toolbox TOP Server all 6.x versions, are vulnerable to a heap-based buffer overflow. Opening a specifically crafted OPC UA message could allow an attacker to crash the server and potentially leak data.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | PTC Kepware KEPServerEX | v6.0 to v6.9 | — |
| — | ThingWorx Kepware Server | v6.8 and v6.9 | — |
| — | ThingWorx Industrial Connectivity | All versions | — |
| — | OPC-Aggregator | All versions | — |
| — | Rockwell Automation KEPServer Enterprise | All versions | — |
| — | GE Digital Industrial Gateway Server | v7.68.804, v7.66 | — |
| — | Software Toolbox TOP Server | All 6.x versions | — |
Advisories 1
- ICSA-20-352-02 PTC Kepware KEPServerEX (Update A) CISA ICS & IT advisories · Jan 5, 2021