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Unpatchable Vulnerabilities of Kubernetes: CVE-2021-25740

lowdatadog_seclabsPublished 2026-05-21

A look at how Kubernetes CVE-2021-25740 allows users with EndpointSlice access to redirect traffic via shared ingress and load balancer services.

MITRE ATT&CK techniques

Indicators of compromise

Original source: https://securitylabs.datadoghq.com/articles/unpatchable-kubernetes-vulnerabilities-cve-2021-25740/