CVE-2021-25735

Source
https://nvd.nist.gov/vuln/detail/CVE-2021-25735
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-25735.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-25735
Aliases
Related
Published
2021-09-06T12:15:07Z
Modified
2024-12-10T16:00:04Z
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

Debian:11 / kubernetes

Package

Name
kubernetes
Purl
pkg:deb/debian/kubernetes?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.20.5+really1.20.2-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:12 / kubernetes

Package

Name
kubernetes
Purl
pkg:deb/debian/kubernetes?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.20.5+really1.20.2-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Git / github.com/kubernetes/kubelet

Affected ranges

Type
GIT
Repo
https://github.com/kubernetes/kubelet
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed