CVE-2020-8554: Incorrect Authorization

January 21, 2021 (updated July 20, 2021)

Kubernetes API server in all versions allow an attacker who is able to create a ClusterIP service and set the spec.externalIPs field, to intercept traffic to that IP address. Additionally, an attacker who is able to patch the status (which is considered a privileged operation and should not typically be granted to users) of a LoadBalancer service can set the status.loadBalancer.ingress.ip to similar effect.

References

nvd.nist.gov/vuln/detail/CVE-2020-8554

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