CVE-2018-7847 Information

Description

A CWE-284: Improper Access Control vulnerability exists in all versions of the Modicon M580 Modicon M340 Modicon Quantum and Modicon Premium which could cause denial of service or potential code execution by overwriting configuration settings of the controller over Modbus.

CVSS Vector

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

Reference

https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/ https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0742 https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0743

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8