CVE-2020-8559

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Summary

CVECVE-2020-8559
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-07-22 14:15:00 UTC
Updated2023-01-27 20:34:00 UTC
DescriptionThe 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.

Risk And Classification

Problem Types: CWE-601

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Kubernetes Kubernetes All All All All
Application Kubernetes Kubernetes All All All All
Application Kubernetes Kubernetes All All All All

References

ReferenceSourceLinkTags
Google Groups MISC groups.google.com Exploit, Third Party Advisory
CVE-2020-8559 Kubernetes Vulnerability in NetApp Products | NetApp Product Security CONFIRM security.netapp.com
CVE-2020-8559: Privilege escalation from compromised node to cluster · Issue #92914 · kubernetes/kubernetes · GitHub MISC github.com Exploit, Patch, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

LEGACY: Wouter ter Maat of Offensi

Legacy QID Mappings

  • 376851 Kubernetes kube-Apiserver Privilege Escalation Vulnerability
  • 377854 Kubernetes kube-Apiserver Privilege Escalation Vulnerability
  • 501593 Alpine Linux Security Update for k3s
  • 770044 Red Hat OpenShift Container Platform 4.4.32 Packages and Security Update (RHSA-2021:0030)
  • 770120 Red Hat OpenShift Container Platform 4.4 Security Update (RHSA-2021-0030)
  • 900220 CBL-Mariner Linux Security Update for kubernetes 1.16.10
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