critical9.1
CVE-2020-27267
KEPServerEX v6.0 to v6.9, ThingWorx Kepware Server v6.8 and v6.9, ThingWorx Industrial Connectivity (all versions), OPC-Aggregator (all versions), Rockwell Aut…
Impact
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 versions |
|---|---|---|
| Ge | Industrial Gateway Server | Versions 7.66, 7.68.804 |
| Ptc | Kepware Kepserverex | Versions 6.0, 6.9 |
| Ptc | Opc-Aggregator | All versions |
| Ptc | Thingworx Industrial Connectivity | All versions |
| Ptc | Thingworx Kepware Server | Versions 6.8, 6.9 |
| Rockwellautomation | Kepserver Enterprise | Versions 6.6.504.0, 6.9.572.0 |
| Softwaretoolbox | Top Server | from 6.0 through 6.9 |