vulnerability
Debian: CVE-2021-25735: kubernetes -- security update
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 6 | (AV:N/AC:L/Au:S/C:N/I:P/A:P) | Sep 6, 2021 | Jul 30, 2024 | Aug 15, 2025 |
Severity
6
CVSS
(AV:N/AC:L/Au:S/C:N/I:P/A:P)
Published
Sep 6, 2021
Added
Jul 30, 2024
Modified
Aug 15, 2025
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.
Solution
debian-upgrade-kubernetes
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