CVE-2020-8559

MediumCVSS 6.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 6.8/10CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-601

Affected software

No affected versions have been published.

Timeline

Published
Jul 22, 2020
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

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CVE-2020-8559: Medium severity, CVSS 6.8 | Vulnix