---
id: CVE-2020-8551
aliases:
  - GHSA-qhm4-jxv7-j9pq
  - GO-2022-0867
title: >-
  Allocation of Resources Without Limits or Throttling and Uncontrolled Memory
  Allocation in Kubernetes
summary: >-
  Allocation of Resources Without Limits or Throttling and Uncontrolled Memory
  Allocation in Kubernetes
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'
vendor: kubernetes
product: k8s.io/kubernetes
ecosystem: go
affected:
  - 'k8s.io/kubernetes >= 1.15.0, < 1.15.10'
  - 'k8s.io/kubernetes >= 1.16.0, < 1.16.6'
  - 'k8s.io/kubernetes >= 1.17.0, < 1.17.2'
patched:
  - k8s.io/kubernetes 1.15.10
  - k8s.io/kubernetes 1.16.6
  - k8s.io/kubernetes 1.17.2
published: '2022-02-15'
updated: '2026-08-07'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-qhm4-jxv7-j9pq'
references:
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2020-8551'
  - url: 'https://github.com/kubernetes/kubernetes/issues/89377'
  - url: 'https://github.com/kubernetes/kubernetes/pull/87913'
  - url: >-
      https://github.com/kubernetes/kubernetes/commit/9802bfcec0580169cffce2a3d468689a407fa7dc
  - url: >-
      https://groups.google.com/forum/#!topic/kubernetes-security-announce/2UOlsba2g0s
  - url: >-
      https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX
  - url: 'https://security.netapp.com/advisory/ntap-20200413-0003'
tags:
  - osv
  - go
epss: 0.01242
epssPercentile: 0.67905
ingestedAt: '2026-08-07T19:14:17.520Z'
---

## Overview

The Kubelet component in versions 1.15.0-1.15.9, 1.16.0-1.16.6, and 1.17.0-1.17.2 has been found to be vulnerable to a denial of service attack via the kubelet API, including the unauthenticated HTTP read-only API typically served on port 10255, and the authenticated HTTPS API typically served on port 10250.

## Affected packages

- `k8s.io/kubernetes >= 1.15.0, < 1.15.10`
- `k8s.io/kubernetes >= 1.16.0, < 1.16.6`
- `k8s.io/kubernetes >= 1.17.0, < 1.17.2`

## Remediation

Upgrade to a patched release:

- `k8s.io/kubernetes 1.15.10`
- `k8s.io/kubernetes 1.16.6`
- `k8s.io/kubernetes 1.17.2`