Description
A denial of service vulnerability exists in Schneider Electric's MiCOM Px4x (P540 range excluded) with legacy Ethernet board, MiCOM P540D Range with Legacy Ethernet Board, and MiCOM Px4x Rejuvenated could lose network communication in case of TCP/IP open requests on port 20000 (DNP3oE) if an older TCI/IP session is still open with identical IP address and port number.
References (3)
Core 3
Core References
Vendor Advisory x_refsource_confirm
https://www.schneider-electric.com/en/download/document/SEVD-2018-074-04/
Vendor Advisory x_refsource_confirm
https://www.schneider-electric.com/en/download/document/SEVD-2018-074-03/
Vendor Advisory x_refsource_confirm
https://www.schneider-electric.com/en/download/document/SEVD-2018-074-02/
Scores
CVSS v3
6.5
EPSS
0.0013
EPSS Percentile
32.1%
Attack Vector
ADJACENT_NETWORK
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-613
Status
published
Products (23)
schneider-electric/micom_p141_firmware
schneider-electric/micom_p142_firmware
schneider-electric/micom_p143_firmware
schneider-electric/micom_p145_firmware
schneider-electric/micom_p441_firmware
schneider-electric/micom_p442_firmware
schneider-electric/micom_p443_firmware
schneider-electric/micom_p444_firmware
schneider-electric/micom_p445_firmware
schneider-electric/micom_p446_firmware
... and 13 more
Published
Apr 18, 2018
Tracked Since
Feb 18, 2026