CVE-2023-2727
MEDIUM6.5EPSS 0.19%Vulnerable to policy bypass in kube-apiserver in k8s.io/kubernetes
Published: 7/3/2023Modified: 4/28/2026
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 packages (3)
- Debian/kubernetesfrom 0, < 1.20.5+really1.20.2-1
- Go/k8s.io/kubernetes>= 1.27.0, < 1.27.3
- Go/k8s.io/kubernetesfrom 0, < 1.24.15, >= 1.25.0, < 1.25.11, >= 1.26.0, < 1.26.6, >= 1.27.0, < 1.27.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N |
References (13)
- ADVISORYhttps://github.com/advisories/GHSA-qc2g-gmh6-95p4
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2023-2727
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2023-2727
- PATCHhttps://github.com/kubernetes/kubernetes
- WEBhttps://github.com/kubernetes/kubernetes/issues/118640
- WEBhttps://github.com/kubernetes/kubernetes/pull/118356
- WEBhttps://github.com/kubernetes/kubernetes/pull/118471
- WEBhttps://github.com/kubernetes/kubernetes/pull/118473
- WEBhttps://github.com/kubernetes/kubernetes/pull/118474
- WEBhttps://github.com/kubernetes/kubernetes/pull/118512
- WEBhttps://groups.google.com/g/kubernetes-security-announce/c/vPWYJ_L84m8
- WEBhttps://security.netapp.com/advisory/ntap-20230803-0004
- WEBhttp://www.openwall.com/lists/oss-security/2023/07/06/2