Schneider Electric Modicon M340 and BMXNOE0100/0110, BMXNOR0200H (Update B)

Risk Summary

Schneider Electric is aware of a vulnerability in its Web Server on Modicon M340 and BMXNOE0100/0110, BMXNOR0200H communication modules products. The Modicon M340 is a programmable automation controller; BMXNOE0100 and BMXNOE0110 are network communication modules used with Modicon M340. BMXNOR0200H is a communication module that enables M580 and M340 platforms to use RTU protocol exchange with RTU stations. Failure to apply the remediation/mitigations provided below may risk information disclosure on web pages, modification of web pages and denial of serviceClick or tap here to enter text., which could result in the unavailability of the controllers or modules. August Update: Remediations are available for BMXNOE0100 (Modbus/TCP Ethernet Modicon M340 module) and BMXNOE0110 (Modbus/TCP Ethernet Modicon M340 FactoryCast module)

CVEs (1)

Remediations

• Version SV1.70IR26 of BMXNOR0200H includes a fix for this vulnerability and is available for download here: https://www.se.com/ww/en/product/BMXNOR0200H/ethernet-serial-rtu-module-2-x-rj45/
• Version SV3.70 of Modicon M340 includes a fix for this vulnerability and is available for download here: https://www.se.com/ww/en/product-range/1468-modicon-m340/#software-and-firmware
• Version SV3.60 of BMXNOE0100 includes a fix for this vulnerability and is available for download here: https://www.se.com/ww/en/product/BMXNOE0100/network-module-modicon-m340- modbus-tcp-1-x-rj45-flash-memory-card/
• Version SV6.80 of BMXNOE0110 includes a fix for this vulnerability and is available for download here: https://www.se.com/ww/en/product/BMXNOE0110/ethernet-tcp-ip-network-modulemodicon-m340-automation-platform-flash-memory-card-internal-ram-16-mb-1-x-rj45- 10-100/

Affected Vendors

Affected Products (8)

Affected Sectors

Commercial Facilities, Critical Manufacturing, Energy