In Lenovo Service Bridge before version 4, an insecure HTTP connection is used by LSB to send system serial number, machine type and model and product name to Lenovo's servers.
Severity
CVSS 3.0
7.5 high
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
1.1% chance of exploitation in the next 30 days; higher than 65% of CVEs (scores of 2026-10-31)