What’s Vulnerable › Vulnerabilities

CVE-2023-2727: Bypassing policies imposed by the ImagePolicyWebhook admission plugin

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-07-03 · updated 2026-06-17
• Weakness: CWE-20

Description

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.

Affected products

• Kubernetes: through 1.24.14; from 1.25.0 through 1.25.10; from 1.26.0 through 1.26.5; from 1.27.0 through 1.27.2

References

• http://www.openwall.com/lists/oss-security/2023/07/06/2
• https://github.com/kubernetes/kubernetes/issues/118640
• https://groups.google.com/g/kubernetes-security-announce/c/vPWYJ_L84m8
• https://security.netapp.com/advisory/ntap-20230803-0004/
• http://www.openwall.com/lists/oss-security/2023/07/06/2
• https://github.com/kubernetes/kubernetes/issues/118640
• https://groups.google.com/g/kubernetes-security-announce/c/vPWYJ_L84m8
• https://security.netapp.com/advisory/ntap-20230803-0004/

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