CVE-2019-25652
HIGH
NVD
CVSS Score
7.5
Severity
HIGH
Published
Mar 27, 2026
Vendor
unknown
Description
UniFi Network Controller before version 5.10.22 and 5.11.x before 5.11.18 contains an improper certificate verification vulnerability that allows adjacent network attackers to conduct man-in-the-middle attacks by presenting a false SSL certificate during SMTP connections. Attackers can intercept SMTP traffic and obtain credentials by exploiting the insecure SSL host verification mechanism in the SMTP certificate validation process.