CVE-2020-11872: Bluetrace Opentrace

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

The Cloud Functions subsystem in OpenTrace 1.0 might allow fabrication attacks by making billions of TempID requests before an AES-256-GCM key rotation occurs.

Affected products

• Bluetrace Opentrace: version 1.0 only

Published 2020-04-17. Last modified 2026-06-17.