CVE-2019-5456 Information

Description

SMTP MITM refers to a malicious actor setting up an SMTP proxy server between the UniFi Controller version = 5.10.21 and their actual SMTP server to record their SMTP credentials for malicious use later.

CVSS Vector

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

Reference

https://community.ui.com/releases/862b962b-55f6-4324-96be-610f647d5c1c https://community.ui.com/releases/9f698d0b-8279-40d3-9f1a-d36db4813124 https://community.ui.com/releases/Security-Advisory-Bulletin-003-003/982bbaa8-2a07-4f81-a5f6-0bb84753f391 https://hackerone.com/reports/519582

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.1