CVE-2020-27267 Information

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Reference

https://us-cert.cisa.gov/ics/advisories/icsa-20-352-02

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

HIGH

Base Severity

9.1