Detections
Analytics

Schneider Electric Modicon Multiple Controllers Unverified Password Change

critical Nessus Network Monitor Plugin ID 720246

Synopsis

Schneider Electric's Modicon Premium, Modicon Quantum, Modicon M340, and BMXNOR0200 controllers allow an unauthenticated remote user to access the change password function.

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.

Solution

Perform vendor recommended mitigations and apply available vendor upgrades.

See Also

https://www.schneider-electric.com/en/download/document/SEVD-2018-327-01,https://www.tenable.com/security/research/tra-2018-38

Plugin Details

Severity: Critical

ID: 720246

Family: SCADA

Published: 5/8/2019

Updated: 9/30/2019

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Patch Publication Date: 11/30/2018

Vulnerability Publication Date: 11/30/2018

Reference Information

CVE: CVE-2018-7811