CVE-2020-35466: Blackfire Docker Image

Critical severity, CVSS 9.8. EPSS: 2.1% chance of exploitation in the next 30 days.

The Blackfire Docker image through 2020-12-14 contains a blank password for the root user. Systems deployed using affected versions of the Blackfire container may allow a remote attacker to achieve root access with a blank password.

Affected products

• Blackfire Blackfire Docker Image: up to and including 2020-12-14

Published 2020-12-15. Last modified 2026-06-17.