CVE-2019-6842 Information

Description

A CWE-248: Uncaught Exception vulnerability exists in Modicon M580 Modicon M340 Modicon BMxCRA and 140CRA modules (all firmware versions) which could cause a Denial of Service attack on the PLC when upgrading the firmware with a missing web server image inside the package using FTP protocol.

CVSS Vector

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

Reference

https://www.schneider-electric.com/ww/en/download/document/SEVD-2019-281-02

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

4.9