CVE-2020-2023

Name: CVE-2020-2023
Creator: NVD / NIST
Published: 2020-06-10T18:15:11.28+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.3/10EPSS 1.14%

Last modified Jun 17, 2026

CVE-2020-2023 is a medium-severity vulnerability rated 6.3/10 on the CVSS scale. Kata Containers doesn't restrict containers from accessing the guest's root filesystem device. Malicious containers can exploit this to gain code execution on the guest and masquerade as the kata-agent. EPSS estimates a 1.14% chance of exploitation in the next 30 days.

Description

Kata Containers doesn't restrict containers from accessing the guest's root filesystem device. Malicious containers can exploit this to gain code execution on the guest and masquerade as the kata-agent. This issue affects Kata Containers 1.11 versions earlier than 1.11.1; Kata Containers 1.10 versions earlier than 1.10.5; and Kata Containers 1.9 and earlier versions.

Metrics

CVSS 3.1

6.3/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L

EPSS Probability

1.14%

62.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-250

Affected Software

Vendor	Product	Versions
Katacontainers	Runtime	<= 1.9
Katacontainers	Runtime	>= 1.10, < 1.10.5
Katacontainers	Runtime	>= 1.11, < 1.11.1

References

https://github.com/kata-containers/agent/issues/791Third Party Advisory
https://github.com/kata-containers/agent/pull/792Patch
https://github.com/kata-containers/runtime/issues/2488Patch, Third Party Advisory
https://github.com/kata-containers/runtime/pull/2477Patch, Third Party Advisory
https://github.com/kata-containers/runtime/pull/2487Patch, Third Party Advisory
https://github.com/kata-containers/runtime/releases/tag/1.10.5Release Notes, Third Party Advisory
https://github.com/kata-containers/runtime/releases/tag/1.11.1Release Notes, Third Party Advisory
https://github.com/kata-containers/agent/issues/791Third Party Advisory
https://github.com/kata-containers/agent/pull/792Patch
https://github.com/kata-containers/runtime/issues/2488Patch, Third Party Advisory
https://github.com/kata-containers/runtime/pull/2477Patch, Third Party Advisory
https://github.com/kata-containers/runtime/pull/2487Patch, Third Party Advisory
https://github.com/kata-containers/runtime/releases/tag/1.10.5Release Notes, Third Party Advisory
https://github.com/kata-containers/runtime/releases/tag/1.11.1Release Notes, Third Party Advisory

Timeline

Published: Jun 10, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-2023?

How severe is CVE-2020-2023?

CVE-2020-2023 has a CVSS score of 6.3/10 (MEDIUM severity). The EPSS model estimates a 1.14% probability of exploitation in the next 30 days.

How do I fix CVE-2020-2023?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-2023?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST