CVE-2021-33505: Falco

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

A local malicious user can circumvent the Falco detection engine through 0.28.1 by running a program that alters arguments of system calls being executed. Issue is fixed in Falco versions >= 0.29.1.

Affected products

• Falco Falco: up to and including 0.28.1

Published 2021-07-15. Last modified 2026-06-17.