CVE-2018-7842

critical

Description

A CWE-290: Authentication Bypass by Spoofing vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause an elevation of privilege by conducting a brute force attack on Modbus parameters sent to the controller.

References

https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0741

https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/

Details

Source: Mitre, NVD

Published: 2019-05-22

Updated: 2022-02-03

Risk Information

CVSS v2

Base Score: 7.5

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

Severity: High

CVSS v3

Base Score: 9.8

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

Severity: Critical