GHSA-j9wf-vvm6-4r9w

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    GHSA-j9wf-vvm6-4r9w

    Published: 8 Feb 2022Last Modified: 10 Sept 2026
    Aliases:
    CVE-2020-8554

    Summary: Unverified Ownership in Kubernetes

    Details: 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: https://nvd.nist.gov/vuln/detail/CVE-2020-8554, https://github.com/kubernetes/kubernetes/issues/97076, https://github.com/kubernetes/kubernetes/issues/97110, https://www.oracle.com/security-alerts/cpujan2022.html, https://www.oracle.com/security-alerts/cpuapr2022.html, https://www.oracle.com//security-alerts/cpujul2021.html, https://lists.apache.org/thread.html/rdb223e1b82e3d7d8e4eaddce8dd1ab87252e3935cc41c859f49767b6@%3Ccommits.druid.apache.org%3E, https://lists.apache.org/thread.html/rdb223e1b82e3d7d8e4eaddce8dd1ab87252e3935cc41c859f49767b6%40%3Ccommits.druid.apache.org%3E, https://lists.apache.org/thread.html/rcafa485d63550657f068775801aeb706b7a07140a8ebbdef822b3bb3@%3Ccommits.druid.apache.org%3E, https://lists.apache.org/thread.html/rcafa485d63550657f068775801aeb706b7a07140a8ebbdef822b3bb3%40%3Ccommits.druid.apache.org%3E, https://lists.apache.org/thread.html/r1975078e44d96f2a199aa90aa874b57a202eaf7f25f2fde6d1c44942@%3Ccommits.druid.apache.org%3E, https://lists.apache.org/thread.html/r1975078e44d96f2a199aa90aa874b57a202eaf7f25f2fde6d1c44942%40%3Ccommits.druid.apache.org%3E, https://lists.apache.org/thread.html/r0c76b3d0be348f788cd947054141de0229af00c540564711e828fd40@%3Ccommits.druid.apache.org%3E, https://lists.apache.org/thread.html/r0c76b3d0be348f788cd947054141de0229af00c540564711e828fd40%40%3Ccommits.druid.apache.org%3E, https://kubernetes.io/blog/2026/05/26/reconciling-unfixed-kubernetes-cves, https://groups.google.com/g/kubernetes-security-announce/c/iZWsF9nbKE8, https://github.com/kubernetes/kubernetes

    Affected packages

    Package

    Name: k8s.io/kubernetes

    Purl: pkg:golang/k8s.io/kubernetes

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    GHSA-j9wf-vvm6-4r9w | CVE-DB