VULNERABILITY INTELLIGENCE

CVE-2020-27265

CVSS score9.8 CRITICAL
EPSS probability12.50%
CISA KEVNot currently listed
Published2021-01-14
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • ics-cert@hq.dhs.gov: CWE-121
  • nvd@nist.gov: CWE-787

Primary references