VULNERABILITY INTELLIGENCE

CVE-2019-5456

CVSS score8.1 HIGH
EPSS probability1.29%
CISA KEVNot currently listed
Published2019-07-30
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • CWE-300: Channel Accessible by Non-Endpoint

Primary references