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)

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.011 (65.2th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-2727: held from 0.011 to 0.011.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

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.