CVE-2020-28914: Katacontainers Kata-Containers

High severity, CVSS 7.1. EPSS: 0.4% chance of exploitation in the next 30 days.

An improper file permissions vulnerability affects Kata Containers prior to 1.11.5. When using a Kubernetes hostPath volume and mounting either a file or directory into a container as readonly, the file/directory is mounted as readOnly inside the container, but is still writable inside the guest. For a container breakout situation, a malicious guest can potentially modify or delete files/directories expected to be read-only.

Affected products

• Katacontainers Kata-Containers: before 1.11.5 (fixed in 1.11.5)

Published 2020-11-17. Last modified 2026-06-17.