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CVE-2020-8559

nvd nist
Published: Jul 22, 2020Modified: Jun 17, 2026

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6.8
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Exploitability: 0.9 / Impact: 5.9
Source: NVD

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.

Affected (4)

Kubernetes
1 product
Kubernetes
Configuration A
4 vulnerable
Vulnerable SoftwareAffected Versions
Kubernetes
Kubernetes
From 1.16.0 to 1.16.13
Kubernetes
From 1.17.0 to 1.17.9
Kubernetes
From 1.18.0 to 1.18.6
Kubernetes
From 1.6.0 to 1.15.0

Related CWEs

CWE-601
URL Redirection to Untrusted Site ('Open Redirect')
A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks.

References (6)

Source: jordan@liggitt.net
ExploitIssue TrackingPatchThird Party Advisory
Source: jordan@liggitt.net
ExploitThird Party Advisory
Source: jordan@liggitt.net
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitIssue TrackingPatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.