SB2025101538 - MitM attack in Lenovo Universal Device Client (UDC)
Published: October 15, 2025
Security Bulletin ID
SB2025101538
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper certificate validation (CVE-ID: CVE-2025-6026)
CWE-ID: CWE-295 - Improper Certificate Validation
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists due to improper certificate validation. A remote attacker with ability to intercept network traffic can perform MitM attack and obtain encrypted application metadata, including device information, geolocation, and telemetry data.
Remediation
Install update from vendor's website.