CVE-2020-27265

CRITICAL

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published1/14/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

ge:industrial_gateway_serverptc:kepware_kepserverexptc:opc-aggregatorptc:thingworx_industrial_connectivityptc:thingworx_kepware_serverrockwellautomation:kepserver_enterprisesoftwaretoolbox:top_server

Weaknesses (CWE)

CWE-121CWE-787

References

https://us-cert.cisa.gov/ics/advisories/icsa-20-352-02(ics-cert@hq.dhs.gov)

https://us-cert.cisa.gov/ics/advisories/icsa-20-352-02(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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