CVE-2020-28914

HighCVSS 7.1/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 7.1/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Weakness enumeration

CWE-732

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/kata-containers/kata-containers/pull/1062Third Party Advisory
https://github.com/kata-containers/runtime/pull/3042Third Party Advisory
https://github.com/kata-containers/runtime/pull/3051Third Party Advisory
https://github.com/kata-containers/runtime/releases/tag/1.11.5Release Notes, Third Party Advisory
https://github.com/kata-containers/runtime/releases/tag/1.12.0Release Notes, Third Party Advisory
https://github.com/kata-containers/kata-containers/pull/1062Third Party Advisory
https://github.com/kata-containers/runtime/pull/3042Third Party Advisory
https://github.com/kata-containers/runtime/pull/3051Third Party Advisory
https://github.com/kata-containers/runtime/releases/tag/1.11.5Release Notes, Third Party Advisory
https://github.com/kata-containers/runtime/releases/tag/1.12.0Release Notes, Third Party Advisory

Timeline

Published: Nov 17, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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