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.
Metrics
Affected Vendors & Products
Advisories
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Fixes
Solution
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Workaround
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References
History
Sat, 28 Mar 2026 03:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | UniFi Network Controller Improper Certificate Validation Leading to Credential Theft via MITM | |
| Weaknesses | CWE-295 | |
| References |
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| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-03-27T21:19:26.490Z
Reserved: 2026-03-26T20:33:10.586Z
Link: CVE-2019-25652
No data.
Status : Received
Published: 2026-03-27T22:16:19.380
Modified: 2026-03-27T22:16:19.380
Link: CVE-2019-25652
No data.
OpenCVE Enrichment
No data.
Weaknesses