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.

CVSS v3 9.1 CRITICAL
CVSS v2.0 6.4 MEDIUM

9.1^/10

CVSS v3 : 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

6.4^/10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:P

Exploitability : 10.0 / Impact : 4.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact PARTIAL

References

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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:ge:industrial_gateway_server:7.66:::::::*
	cpe:2.3:a:ge:industrial_gateway_server:7.68.804:::::::*
	cpe:2.3:a:ptc:kepware_kepserverex:6.0:::::::*
	cpe:2.3:a:ptc:kepware_kepserverex:6.9:::::::*
	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:rockwellautomation:kepserver_enterprise:6.6.504.0:::::::*
	cpe:2.3:a:rockwellautomation:kepserver_enterprise:6.9.572.0:::::::*
	cpe:2.3:a:softwaretoolbox:top_server::::::::

History

21 Nov 2024, 05:20

Type	Values Removed	Values Added
References	~~() https://us-cert.cisa.gov/ics/advisories/icsa-20-352-02 - Third Party Advisory, US Government Resource~~	() https://us-cert.cisa.gov/ics/advisories/icsa-20-352-02 - Third Party Advisory, US Government Resource

Information

Published : 2021-01-14 00:15

Updated : 2024-11-21 05:20

NVD link : CVE-2020-27267

Mitre link : CVE-2020-27267

CVE.ORG link : CVE-2020-27267

JSON object : View

Products Affected

ptc

thingworx_kepware_server
thingworx_industrial_connectivity
kepware_kepserverex
opc-aggregator

softwaretoolbox

top_server

industrial_gateway_server

rockwellautomation

kepserver_enterprise

CWE

CWE-416

Use After Free

CWE-787

Out-of-bounds Write

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9.1 /10

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

6.4 /10

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact PARTIAL

JSON object

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