Description
An Unverified Password Change vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 which could allow an unauthenticated remote user to access the change password function of the web server
References (3)
Core 3
Core References
Exploit, Third Party Advisory x_refsource_misc
https://www.tenable.com/security/research/tra-2018-38
Vendor Advisory x_refsource_confirm
https://www.schneider-electric.com/en/download/document/SEVD-2018-327-01/
Various Sources x_refsource_misc
https://security.cse.iitk.ac.in/responsible-disclosure
Scores
CVSS v3
9.8
EPSS
0.0350
EPSS Percentile
87.6%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-640
Status
published
Products (4)
schneider-electric/modicom_bmxnor0200h_firmware
schneider-electric/modicom_m340_firmware
schneider-electric/modicom_premium_firmware
schneider-electric/modicom_quantum_firmware
Published
Nov 30, 2018
Tracked Since
Feb 18, 2026