CVE-2021-43936 Information

Description

The software allows the attacker to upload or transfer files of dangerous types to the WebHMI portal that may be automatically processed within the product’s environment or lead to arbitrary code execution.

CVSS Vector

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

Reference

https://us-cert.cisa.gov/ics/advisories/icsa-21-336-03 http://packetstormsecurity.com/files/165252/WebHMI-4.0-Remote-Code-Execution.html

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