NVD

CVE-2020-27265 Detail

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 stack-based buffer overflow. Opening a specifically crafted OPC UA message could allow an attacker to crash the server and remotely execute code.

Severity

CVSS 3.x Severity and Metrics:

NIST: NVD

Base Score: 9.8 CRITICAL

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

NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-787	Out-of-bounds Write	NIST
CWE-121	Stack-based Buffer Overflow	ICS-CERT

Known Affected Software Configurations Switch to CPE 2.2

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Change History

1 change records found show changes

Initial Analysis by NIST 1/21/2021 11:20:52 AM

Action	Type	Old Value	New Value
Added	CPE Configuration		Record truncated, showing 500 of 768 characters. View Entire Change Record 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:::::::
Added	CVSS V2		NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Added	CVSS V3.1		NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Added	CWE		NIST CWE-787
Changed	Reference Type	https://us-cert.cisa.gov/ics/advisories/icsa-20-352-02 No Types Assigned	https://us-cert.cisa.gov/ics/advisories/icsa-20-352-02 Third Party Advisory, US Government Resource

Quick Info

CVE Dictionary Entry:
CVE-2020-27265
NVD Published Date:
01/13/2021
NVD Last Modified:
01/21/2021
Source:
ICS-CERT

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National Vulnerability Database