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
Snyk CVSS
Attack Complexity
Low
Privileges Required
High
Threat Intelligence
EPSS
0.06% (24th
percentile)
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Test your applications- Snyk ID SNYK-GOLANG-K8SIOKUBERNETESPKGAPISCOREVALIDATION-1294543
- published 19 May 2021
- disclosed 12 May 2021
- credit The Kubernetes Product Security Committee
Introduced: 12 May 2021
CVE-2021-25737 Open this link in a new tabHow 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.