Incorrect Authorization Affecting kubernetes package, versions <1.20.5+really1.20.2-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.07% (32nd percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-KUBERNETES-1246267
  • published15 Apr 2021
  • disclosed6 Sept 2021

Introduced: 15 Apr 2021

CVE-2021-25735  (opens in a new tab)
CWE-863  (opens in a new tab)

How to fix?

Upgrade Debian:unstable kubernetes to version 1.20.5+really1.20.2-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kubernetes package and not the kubernetes package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

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 Scores

version 3.1