CVE-2020-7539 Information

Description

A CWE-754 Improper Check for Unusual or Exceptional Conditions vulnerability exists in the Web Server on Modicon M340 Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules (see security notification for affected versions) that could cause a denial of service vulnerability when a specially crafted packet is sent to the controller over HTTP.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://www.se.com/ww/en/download/document/SEVD-2020-343-03/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5