CVE-2021-25735
- Source
- https://cve.org/CVERecord?id=CVE-2021-25735
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-25735.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2021-25735
- Aliases
- Downstream
- Related
- Published
- 2021-09-06T12:15:07.617Z
- Modified
- 2026-03-13T01:54:40.957420Z
- Severity
-
- 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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.
- References
Affected packages
Git / github.com/kubernetes/kubernetes
Affected ranges
- Type
- GIT
- Repo
- https://github.com/kubernetes/kubernetes
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixedIntroducedFixedIntroducedFixed
- Database specific
{ "versions": [ { "introduced": "0" }, { "fixed": "1.18.18" }, { "introduced": "1.19.0" }, { "fixed": "1.19.10" }, { "introduced": "1.20.0" }, { "fixed": "1.20.6" } ] }
Affected versions
v1.*
v1.19.0
v1.19.1
v1.19.1-rc.0
v1.19.10-rc.0
v1.19.2
v1.19.2-rc.0
v1.19.3
v1.19.3-rc.0
v1.19.4
v1.19.4-rc.0
v1.19.5
v1.19.5-rc.0
v1.19.6
v1.19.6-rc.0
v1.19.6-rc.1
v1.19.7
v1.19.7-rc.0
v1.19.8
v1.19.8-rc.0
v1.19.9
v1.19.9-rc.0
v1.20.0
v1.20.1
v1.20.1-rc.0
v1.20.1-rc.1
v1.20.2
v1.20.2-rc.0
v1.20.3
v1.20.3-rc.0
v1.20.4
v1.20.4-rc.0
v1.20.5
v1.20.5-rc.0
v1.20.6-rc.0