CVE-2021-3660: Cockpit-Project Cockpit

Medium severity, CVSS 4.3. EPSS: 1.3% chance of exploitation in the next 30 days.

Cockpit (and its plugins) do not seem to protect itself against clickjacking. It is possible to render a page from a cockpit server via another website, inside an <iFrame> HTML entry. This may be used by a malicious website in clickjacking or similar attacks.

Affected products

• Cockpit-Project Cockpit: before 254 (fixed in 254)
• Red Hat Enterprise Linux: version 8.0 only

Published 2022-03-10. Last modified 2026-06-17.