ALPINE-CVE-2021-25735

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Source
https://security.alpinelinux.org/vuln/CVE-2021-25735
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-25735.json
JSON Data
https://api.test.osv.dev/v1/vulns/ALPINE-CVE-2021-25735
Upstream
Published
2021-09-06T12:15:07Z
Modified
2026-10-27T08:32:59Z
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

Alpine:v3.14
k3s

Package

Name
k3s
Purl
pkg:apk/alpine/k3s?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.20.6.1-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-25735.json"
Alpine:v3.15
k3s

Package

Name
k3s
Purl
pkg:apk/alpine/k3s?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.20.6.1-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-25735.json"
Alpine:v3.16
k3s

Package

Name
k3s
Purl
pkg:apk/alpine/k3s?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.20.6.1-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-25735.json"
Alpine:v3.17
k3s

Package

Name
k3s
Purl
pkg:apk/alpine/k3s?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.20.6.1-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-25735.json"
Alpine:v3.18
k3s

Package

Name
k3s
Purl
pkg:apk/alpine/k3s?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.20.6.1-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-25735.json"
Alpine:v3.19
k3s

Package

Name
k3s
Purl
pkg:apk/alpine/k3s?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.20.6.1-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-25735.json"
Alpine:v3.20
k3s

Package

Name
k3s
Purl
pkg:apk/alpine/k3s?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.20.6.1-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-25735.json"
Alpine:v3.21
k3s

Package

Name
k3s
Purl
pkg:apk/alpine/k3s?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.20.6.1-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-25735.json"
Alpine:v3.22
k3s

Package

Name
k3s
Purl
pkg:apk/alpine/k3s?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.20.6.1-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-25735.json"
Alpine:v3.23
k3s

Package

Name
k3s
Purl
pkg:apk/alpine/k3s?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.20.6.1-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-25735.json"
Alpine:v3.24
k3s

Package

Name
k3s
Purl
pkg:apk/alpine/k3s?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.20.6.1-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-25735.json"