VULNERABILITY INTELLIGENCE

CVE-2020-8554

CVSS score6.3 MEDIUM
EPSS probability9.27%
CISA KEVNot currently listed
Published2021-01-21
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Description

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.

Weakness classification

  • CWE-283: Unverified Ownership

Primary references