CVE-2021-42559: Mitre Caldera

High severity, CVSS 8.8. EPSS: 2% chance of exploitation in the next 30 days.

An issue was discovered in CALDERA 2.8.1. It contains multiple startup "requirements" that execute commands when starting the server. Because these commands can be changed via the REST API, an authenticated user can insert arbitrary commands that will execute when the server is restarted.

Affected products

• Mitre Caldera: up to and including 2.8.1

Published 2022-01-12. Last modified 2026-06-17.