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Vulnerabilities ›

CVE-2019-25652

High

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-middl

CWE-295 — Weakness Type

                    Published: Mar 27, 2026                      ·  Modified: Apr 3, 2026                      ·  Source: NVD                

CVSS v3

7.5

🔗 NVD Official

📄 Description (English)

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.

🤖

Queued for AI Analysis

This CVE will be auto-analyzed on the next cron run.

🔗 References & Sources 2

https://community.ui.com/releases/Security-Advisory-Bulletin-003-003/982bbaa8-2a07-4f81...

disclosure@vulncheck.com

https://www.vulncheck.com/advisories/unifi-network-controller-improper-certificate-vali...

disclosure@vulncheck.com

📊 CVSS Score

7.5

/ 10.0 — High

📊 CVSS Vector

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorA — Adjacent

Attack ComplexityH — High

Privileges RequiredN — None / Network

User InteractionN — None / Network

ScopeU — Unchanged

ConfidentialityH — High

IntegrityH — High

AvailabilityH — High

📋 Quick Facts

Severity High

CVSS Score7.5

CWECWE-295

EPSS0.01%

Exploit No

Patch ✗ No

Published 2026-03-27

Source Feed nvd

🏷️ Tags

CWE-295

⚡ Actions

🔗 NVD Official Page ⚡ Exploit-DB Search 🐙 GitHub PoC Search 🎯 MITRE ATT&CK 📊 CVE Details

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