CVE-2018-7845 Information

Description

A CWE-125: Out-of-bounds Read vulnerability exists in all versions of the Modicon M580 Modicon M340 Modicon Quantum and Modicon Premium which could cause the disclosure of unexpected data from the controller when reading specific memory blocks in the controller over Modbus.

CVSS Vector

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

Reference

https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/ https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0745

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5