Vulnerability in Lenovo Universal Device Client

CVE-2025-6026

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.

Vulnerability class: Improper Certificate Validation

Published · last modified .

CVSS v3 metric

CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.001 (0.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 0th percentile — 0.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-6026: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-6026?
CVE-2025-6026 is a low-severity vulnerability in Lenovo Universal Device Client, classified under Improper Certificate Validation. CVSS score: 3.1/10. Published 2025-10-15.
How severe is CVE-2025-6026?
Low severity. CVSS v3 base score is 3.1 out of 10.
Is CVE-2025-6026 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.