CVE Vulnerability

CVE-2020-27267

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.

6.4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact PARTIAL

Scope

9.1 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://us-cert.cisa.gov/ics/advisories/icsa-20-352-02 Third Party Advisory US Government Resource
Configurations

Configuration 1

cpe:2.3:a:ptc:opc-aggregator:-:*:*:*:*:*:*:*
cpe:2.3:a:ptc:thingworx_industrial_connectivity:-:*:*:*:*:*:*:*
cpe:2.3:a:ptc:thingworx_kepware_server:6.8:*:*:*:*:*:*:*
cpe:2.3:a:ptc:thingworx_kepware_server:6.9:*:*:*:*:*:*:*
cpe:2.3:a:ptc:kepware_kepserverex:6.0:*:*:*:*:*:*:*
cpe:2.3:a:ptc:kepware_kepserverex:6.9:*:*:*:*:*:*:*
cpe:2.3:a:ge:industrial_gateway_server:7.68.804:*:*:*:*:*:*:*
cpe:2.3:a:ge:industrial_gateway_server:7.66:*:*:*:*:*:*:*
cpe:2.3:a:rockwellautomation:kepserver_enterprise:6.6.504.0:*:*:*:*:*:*:*
cpe:2.3:a:softwaretoolbox:top_server:*:*:*:*:*:*:*:*
cpe:2.3:a:rockwellautomation:kepserver_enterprise:6.9.572.0:*:*:*:*:*:*:*
Information

Published : 2021-01-14 12:15

Updated : 2021-01-21 04:16

NVD link : CVE-2020-27267

Mitre link : CVE-2020-27267

Products Affected
No products.
CWE
CWE-787