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.
CVE-2020-8559 - Medium Severity Vulnerability
Vulnerable Library - github.com/docker/cli-v20.10.6+incompatible
The Docker CLI
Library home page: https://proxy.golang.org/github.com/docker/cli/@v/v20.10.6+incompatible.zip
Path to dependency file: /portainer-develop/portainer-develop/api/go.mod
Path to vulnerable library: /portainer-develop/portainer-develop/api/go.mod
Dependency Hierarchy: - :x: **github.com/docker/cli-v20.10.6+incompatible** (Vulnerable Library)
Found in HEAD commit: ec9d972edb7fb1ea028782bd0f770272d89e0c60
Found in base branch: main
Vulnerability Details
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.
Publish Date: 2020-07-22
URL: CVE-2020-8559
CVSS 3 Score Details (6.4)
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: High - Privileges Required: High - User Interaction: Required - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: High - Integrity Impact: High - Availability Impact: High
For more information on CVSS3 Scores, click here.Suggested Fix
Type: Upgrade version
Release Date: 2020-08-10
Fix Resolution: v1.18.6,v1.17.9,v1.16.13
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