CVEvulnerability

CVE-2020-27267

9.1 CRITICAL Published 2021-01-14 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-01-14
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CVSS 2.0 ([email protected])
6.4 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:P
Weaknesses
CWE-416, CWE-787

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 configurations

• 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 • softwaretoolbox top server (>= 6.0 <= 6.9)

Related

Weakness · CWE (2)

References