CVE-2020-27267
Critical
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.
SeverityCritical
CVSS9.1
Exploit probability—
ProductGe Industrial Gateway Server
PublishedJan 14, 2021
First seenJan 14, 2021
Weakness typeCWE-416Use after free
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ge industrial_gateway_server | 7.66, 7.68.804 | — |
| ptc kepware_kepserverex | 6.0, 6.9 | — |
| ptc opc-aggregator | No range specified | — |
| ptc thingworx_industrial_connectivity | No range specified | — |
| ptc thingworx_kepware_server | 6.8, 6.9 | — |
| rockwellautomation kepserver_enterprise | 6.6.504.0, 6.9.572.0 | — |
| softwaretoolbox top_server | 6.0 ≤ v ≤ 6.9 | — |
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