CVE-2018-7809 Information

Description

An Unverified Password Change vulnerability exists in the embedded web servers in all Modicon M340 Premium Quantum PLCs and BMXNOR0200 which could allow an unauthenticated remote user to access the password delete function of the web server.

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-2018-327-01/ https://www.tenable.com/security/research/tra-2018-38

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