Improper Input Validation Affecting k8s.io/kubernetes/pkg/apis/core/validation package, versions >=1.21.0 <1.21.1>=1.20.0 <1.20.7>=1.19.0 <1.19.11<1.18.19


Severity

Recommended
0.0
low
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.06% (28th percentile)

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  • Snyk IDSNYK-GOLANG-K8SIOKUBERNETESPKGAPISCOREVALIDATION-1294543
  • published19 May 2021
  • disclosed12 May 2021
  • creditThe Kubernetes Product Security Committee

Introduced: 12 May 2021

CVE-2021-25737  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade k8s.io/kubernetes/pkg/apis/core/validation to version 1.21.1, 1.20.7, 1.19.11, 1.18.19 or higher.

Overview

Affected versions of this package are vulnerable to Improper Input Validation. A security issue was discovered in Kubernetes where an authorized user may be able to redirect traffic to private networks on a Node. An untrusted user could exploit this by creating or modifying EndpointSlices to point to localhost or link-local addresses.

CVSS Scores

version 3.1