Stack-Based Buffer Overflow in Kepware Server and Industrial Connectivity Solutions
CVE-2020-27265

9.8CRITICAL

Key Information:

Vendor

Ptc

Status
Ptc Kepware Kepserverex; Thingworx Industrial Connectivity; Opc-aggregator; Rockwell Automation Kepserver Enterprise; Ge Digital Industrial Gateway Server; Software Toolbox Top Server
Vendor
CVE Published:
14 January 2021

What is CVE-2020-27265?

A stack-based buffer overflow vulnerability exists in multiple products by Kepware Technologies, which could be exploited by sending specifically crafted OPC UA messages. Successfully exploiting this vulnerability may not only cause the affected server to crash, but could also allow an attacker to execute arbitrary code remotely, posing significant risks to industrial operations and security.

Affected Version(s)

PTC Kepware KEPServerEX; ThingWorx Industrial Connectivity; OPC-Aggregator; Rockwell Automation KEPServer Enterprise; GE Digital Industrial Gateway Server; Software Toolbox TOP Server v6.0 to v6.9

PTC Kepware KEPServerEX; ThingWorx Industrial Connectivity; OPC-Aggregator; Rockwell Automation KEPServer Enterprise; GE Digital Industrial Gateway Server; Software Toolbox TOP Server v6.8 and v6.9

PTC Kepware KEPServerEX; ThingWorx Industrial Connectivity; OPC-Aggregator; Rockwell Automation KEPServer Enterprise; GE Digital Industrial Gateway Server; Software Toolbox TOP Server All versions

References

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

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.