CVE-2018-7811

MEDIUM

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

https://security.cse.iitk.ac.in/responsible-disclosure

https://www.schneider-electric.com/en/download/document/SEVD-2018-327-01/

https://www.tenable.com/security/research/tra-2018-38

Details

Source: MITRE

Published: 2018-11-30

Updated: 2019-10-02

Type: CWE-640

Risk Information

CVSS v2.0

Base Score: 5

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

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3.0

Base Score: 9.8

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

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL

Tenable Plugins

View all (2 total)

IDNameProductFamilySeverity
500276Schneider-electric Modicom Weak Password Recovery Mechanism for Forgotten PasswordNessusSCADA
medium
720246Schneider Electric Modicon Multiple Controllers Unverified Password ChangeNessus Network MonitorSCADA
medium