CVE-2018-11421 Information

Description

Moxa OnCell G3100-HSPA Series version 1.6 Build 17100315 and prior use a proprietary monitoring protocol that does not provide confidentiality integrity and authenticity security controls. All information is sent in plain text and can be intercepted and modified. The protocol is vulnerable to remote unauthenticated disclosure of sensitive information including the administrator’s password. Under certain conditions it’s also possible to retrieve additional information such as content of HTTP requests to the device or the previously used password due to memory leakages.

CVSS Vector

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

Reference

https://github.com/klsecservices/Advisories/blob/master/KL-MOXA-2018-103.md

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