CVE-2020-8559

Privilege escalation from compromised node to cluster

State
Published
Severity
6.4 Medium
Published
Jul 22, 2020
Updated
Sep 16, 2024
Reserved
Feb 3, 2020

Read the record on cve.org

Description

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.

Scores

CVSSScoreVectorSource
3.16.4 MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:Hkubernetes

Weaknesses

  • CWE-601 URL Redirection to Untrusted Site ('Open Redirect')

Affected Products

ProductVersions
KubernetesKubernetes
  • 1.6Affected
  • 1.7Affected
  • 1.8Affected
  • 1.9Affected
  • 1.10Affected
  • 1.11Affected
  • 1.12Affected
  • 1.13Affected
  • 1.14Affected
  • 1.15Affected
  • 1.16 through 1.16.12Affected
  • 1.17 through 1.17.8Affected
  • 1.18 through 1.18.5Affected

References

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