Improper input validation in Kubernetes

CVE-2023-2727

Users may be able to launch containers using images that are restricted by ImagePolicyWebhook when using ephemeral containers. Kubernetes clusters are only affected if the ImagePolicyWebhook admission plugin is used together with ephemeral containers.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.011 (63.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N.

Affected products

  • Kubernetes — versions v1.24.14, v1.25.0 - v1.25.10, v1.26.0 - v1.26.5

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-2727?
CVE-2023-2727 is a medium-severity vulnerability in Kubernetes, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2023-07-03.
How severe is CVE-2023-2727?
Medium severity. CVSS v3 base score is 6.5 out of 10.