CVE-2020-7540

critical

Description

A CWE-306: Missing Authentication for Critical Function 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 unauthenticated command execution in the controller when sending special HTTP requests.

References

https://www.se.com/ww/en/download/document/SEVD-2020-343-04/

https://www.se.com/ww/en/download/document/SEVD-2020-343-04/

Details

Source: Mitre, NVD

Published: 2020-12-11

Updated: 2024-04-10

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

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

Severity: Critical