CRITICAL · 9.1

CVE-2020-27263

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 ...

Vulnerability 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 heap-based buffer overflow. Opening a specifically crafted OPC UA message could allow an attacker to crash the server and potentially leak data.

CVSS Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
GeIndustrial Gateway Server7.66
PtcKepware Kepserverex6.0
PtcOpc-Aggregator-
PtcThingworx Industrial Connectivity-
PtcThingworx Kepware Server6.8
RockwellautomationKepserver Enterprise6.6.504.0
SoftwaretoolboxTop Server>= 6.0, <= 6.9

Related Weaknesses (CWE)

References

FAQ

What is CVE-2020-27263?

CVE-2020-27263 is a vulnerability with a CVSS score of 9.1 (CRITICAL). 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 ...

How severe is CVE-2020-27263?

CVE-2020-27263 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2020-27263?

Check the references section above for vendor advisories and patch information. Affected products include: Ge Industrial Gateway Server, Ptc Kepware Kepserverex, Ptc Opc-Aggregator, Ptc Thingworx Industrial Connectivity, Ptc Thingworx Kepware Server.