CVE-2020-8559

medium

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.

References

https://security.netapp.com/advisory/ntap-20200810-0004/

https://groups.google.com/d/msg/kubernetes-security-announce/JAIGG5yNROs/19nHQ5wkBwAJ

https://github.com/kubernetes/kubernetes/issues/92914

https://euvd.enisa.europa.eu/vulnerability/EUVD-2024-1072

Details

Source: Mitre, NVD

Published: 2020-07-22

Updated: 2026-06-17

Named Vulnerability: GO-2024-2748Named Vulnerability: GHSA-33c5-9fx5-fvjm

Risk Information

CVSS v2

Base Score: 6

Vector: CVSS2#AV:N/AC:M/Au:S/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 6.8

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

Severity: Medium

EPSS

EPSS: 0.061