Description
A security issue was discovered in kube-apiserver that could allow node updates to bypass a Validating Admission Webhook. Clusters are only affected by this vulnerability if they run a Validating Admission Webhook for Nodes that denies admission based at least partially on the old state of the Node object. Validating Admission Webhook does not observe some previous fields.
CVSS Metrics
- Vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
- Attack Vector
- network
- Complexity
- low
- Privileges
- high
- User Action
- none
- Scope
- unchanged
- Confidentiality
- none
- Integrity
- high
- Availability
- high
- Weaknesses
- CWE-372NVD-CWE-Other
Metadata
- Primary Vendor
- KUBERNETES
- Published
- 9/6/2021
- Last Modified
- 11/21/2024
- Source
- NIST NVD
- Note: Verify all details with official vendor sources before applying patches.
Affected Products
kubernetes : kuberneteskubernetes : kuberneteskubernetes : kubernetes
AI-Powered Remediation
Generate remediation guidance or a C-suite brief for this vulnerability.