CVE-2020-7533

CRITICAL

Schneider Electric Modicon M340 RCE via Crafted HTTP Requests

Title source: llm

Description

CWE-287: Improper Authentication vulnerability exists which could cause the execution of commands on the webserver without authentication when sending specially crafted HTTP requests.

References (2)

Core 2

Core References

Various Sources

https://download.schneider-electric.com/files?p_File_Name=SEVD-2020-287-01_Modicon_Web_Server_Security_Notificatiton.pdf&p_Doc_Ref=SEVD-2020-287-01&p_enDocType=Security+and+Safety+Notice

Vendor Advisory

https://www.se.com/ww/en/download/document/SEVD-2020-287-01/

Scores

CVSS v3 9.8

EPSS 0.0023

EPSS Percentile 46.1%

Attack Vector NETWORK

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

Details

CWE

CWE-287

Status published

Products (16)

schneider-electric/140cpu65260_firmware < 6.1

schneider-electric/140noc77101_firmware < 1.08

schneider-electric/140noc78000_firmware < 1.74

schneider-electric/140noe77111_firmware < 7.1

schneider-electric/bmxnoc0401_firmware < 2.10

schneider-electric/bmxnoe0100_firmware < 3.3

schneider-electric/bmxnoe0110_firmware < 6.5

schneider-electric/modicon_m340_bmxp341000_firmware < 3.20

schneider-electric/modicon_m340_bmxp342000_firmware < 3.20

schneider-electric/modicon_m340_bmxp3420102_firmware < 3.20

... and 6 more

Published Dec 01, 2020

Tracked Since Feb 18, 2026