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    CVE-2020-8559

    The Kubernetes kube-apiserver in versions v1.6-v1.15, and versions prior to v1.16.13, v1.17.9 and v1.18.6 are vulnerable to an unvalidated redirect on proxied upgrade requests that could allow an attacker to escalate privileges from a node compromise to a full cluster compromise.

    Published:Jul 15, 2020
    Last Modified:Nov 21, 2024
    EPS:Jul 22, 2020
    EPSS Score:0.60105
    CVSS Score:6.4

    Affected Products

    Vendor
    Kubernetes
    Product
    Kubernetes
    Vendor
    Redhat
    Product
    Openshift

    Exploits

    https://github.com/kubernetes/kubernetes/issues/92914https://groups.google.com/d/msg/kubernetes-security-announce/JAIGG5yNROs/19nHQ5wkBwAJhttps://github.com/kubernetes/kubernetes/issues/92914https://groups.google.com/d/msg/kubernetes-security-announce/JAIGG5yNROs/19nHQ5wkBwAJhttps://github.com/tabbysable/POC-2020-8559https://github.com/tdwyer/CVE-2020-8559

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-178 Cross-Site Flashing

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    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