EUVD-2019-20043

| CVE-2019-25652 HIGH
2026-03-27 VulnCheck
Information Disclosure Ubiquiti
7.7
CVSS 4.0
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CVSS VectorNVD

CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Adjacent
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

6
Analysis Updated
Apr 16, 2026 - 06:11 EUVD-patch-fix
executive_summary
Re-analysis Queued
Apr 16, 2026 - 05:29 backfill_euvd_patch
patch_released
patch_available
Apr 16, 2026 - 05:29 EUVD
5.11.18,5.10.22
Analysis Generated
Mar 27, 2026 - 22:00 vuln.today
EUVD ID Assigned
Mar 27, 2026 - 22:00 euvd
EUVD-2019-20043
CVE Published
Mar 27, 2026 - 21:19 nvd
HIGH 7.7

DescriptionNVD

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.

AnalysisAI

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...

Technical ContextAI

This vulnerability is classified as Improper Certificate Validation (CWE-295).

RemediationAI

Monitor vendor advisories for patches. Apply mitigations such as network segmentation, access restrictions, and monitoring.

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EUVD-2019-20043 vulnerability details – vuln.today
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