Vulnerability · Published Jul 3, 2023 · Assigned by kubernetes
CVE-2023-2727Bypassing policies imposed by the ImagePolicyWebhook admission plugin
Medium 6.5
In plain English
A medium-severity improper input validation in Kubernetes from Kubernetes. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 67% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)1.1%top 33.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | kubernetes | 1.20.5+really1.20.2-1 | DEBIAN-CVE-2023-2727 |
| Debian:13 | kubernetes | 1.20.5+really1.20.2-1 | DEBIAN-CVE-2023-2727 |
| Debian:14 | kubernetes | 1.20.5+really1.20.2-1 | DEBIAN-CVE-2023-2727 |
| Go | k8s.io/kubernetes | 1.24.15 | GHSA-qc2g-gmh6-95p4 |
| Go | k8s.io/kubernetes | 1.24.15, 1.25.11, 1.26.6, 1.27.3 | GO-2023-1891 |
| Go | k8s.io/kubernetes | 1.27.3 | GHSA-qc2g-gmh6-95p4 |
| Go | k8s.io/kubernetes | 1.26.6 | GHSA-qc2g-gmh6-95p4 |
| Go | k8s.io/kubernetes | 1.25.11 | GHSA-qc2g-gmh6-95p4 |
| Ubuntu:22.04:LTS | kubernetes | no fix listed | UBUNTU-CVE-2023-2727 |
| Ubuntu:24.04:LTS | kubernetes | no fix listed | UBUNTU-CVE-2023-2727 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Kubernetes | Kubernetes | v1.24.14 – through <=v1.25.0 - v1.25.10v1.26.0 - v1.26.5v1.27.0 - v1.27.2 |
Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N