CVE-2025-6026

Published Oct 15, 2025 CVSS 4.0 · 2.3 Low EPSS < 1% KEV · Not listed
Description
An improper certificate validation vulnerability was reported in the Lenovo Universal Device Client (UDC) that could allow a user capable of intercepting network traffic to obtain application metadata, including device information, geolocation, and telemetry data.

Remediation

Vendor Solution

Update Lenovo UDC to version 25.7.0.21 (or newer).  Lenovo UDC is updated automatically through Windows Update.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Description An improper certificate validation vulnerability was reported in the Lenovo Universal Device Client (UDC) that could allow a user capable of intercepting network traffic to obtain encrypted application metadata, including device information, geolocation, and telemetry data. An improper certificate validation vulnerability was reported in the Lenovo Universal Device Client (UDC) that could allow a user capable of intercepting network traffic to obtain application metadata, including device information, geolocation, and telemetry data.
Type Values Removed Values Added
First Time appeared Lenovo
Lenovo universal Device Client
Vendors & Products Lenovo
Lenovo universal Device Client
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description An improper certificate validation vulnerability was reported in the Lenovo Universal Device Client (UDC) that could allow a user capable of intercepting network traffic to obtain encrypted application metadata, including device information, geolocation, and telemetry data.
Weaknesses CWE-295
References
Metrics cvssV3_1

{'score': 3.1, 'vector': 'CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N'}

cvssV4_0

{'score': 2.3, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
lenovo
Published
Updated
Oct 21, 2025, 12:22 PM
Reserved
Jun 12, 2025, 12:28 PM
Status
Deferred
Published
Oct 15, 2025, 3:16 PM
Modified
Oct 8, 2026, 12:10 PM