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, Software Toolbox TOP Server: All 6.x versions are vulnerable to a stack-based buffer overflow. Opening a specifically crafted OPC UA message could allow an attacker to crash the server and remotely execute code.
References (1)
Core 1
Core References
Third Party Advisory, US Government Resource x_refsource_misc
https://us-cert.cisa.gov/ics/advisories/icsa-20-352-02
Scores
CVSS v3
9.8
EPSS
0.0008
EPSS Percentile
22.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-121
CWE-787
Status
published
Products (11)
ge/industrial_gateway_server
7.66
ge/industrial_gateway_server
7.68.804
ptc/kepware_kepserverex
6.0
ptc/kepware_kepserverex
6.9
ptc/opc-aggregator
ptc/thingworx_industrial_connectivity
ptc/thingworx_kepware_server
6.8
ptc/thingworx_kepware_server
6.9
rockwellautomation/kepserver_enterprise
6.6.504.0
rockwellautomation/kepserver_enterprise
6.9.572.0
... and 1 more
Published
Jan 14, 2021
Tracked Since
Feb 18, 2026