Schneider Electric Modicon Multiple Controllers Unauthorized Password Delete

critical Nessus Network Monitor Plugin ID 720244
New! Plugin Severity Now Using CVSS v3

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Synopsis

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

Description

An Unauthorized Password Delete 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 password delete 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: 720244

Family: SCADA

Published: 5/8/2019

Updated: 9/30/2019

Risk Information

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

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-2018-7809