CVE-2020-8551

lowpriority · track · 26EPSS 0.012 · 69 %ileDEEUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
1.24% (69th) EPSS
CVSS 3.3 · low
Is it mine?
21 products
Check your exposure
Who says so?
6 sources
cnnvd · enisa_euvd · osv · cert_bund

EPSS · scored 2026-10-27

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.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • Fixedopenshift-0:4.3.10-202003300855.git.0.da48c1d.el7.src as a component of Red Hat OpenShift Container Platform 4.3redhat_csaf

    For OpenShift Container Platform 4.3 see the following documentation, which will be updated shortly for release 4.3.10, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update: https://docs.openshift.com/container-platform/4.3/release_notes/ocp-4-3-release-notes.html Details on how to access this content are available at https://docs.openshift.com/container-platform/4.3/updating/updating-cluster-cli.html.

    https://access.redhat.com/errata/RHSA-2020:1276
  • Fixedopenshift-0:4.3.10-202003300855.git.0.da48c1d.el8.src as a component of Red Hat OpenShift Container Platform 4.3redhat_csaf

    For OpenShift Container Platform 4.3 see the following documentation, which will be updated shortly for release 4.3.10, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update: https://docs.openshift.com/container-platform/4.3/release_notes/ocp-4-3-release-notes.html Details on how to access this content are available at https://docs.openshift.com/container-platform/4.3/updating/updating-cluster-cli.html.

    https://access.redhat.com/errata/RHSA-2020:1276
  • Fixedopenshift-hyperkube-0:4.3.10-202003300855.git.0.da48c1d.el7.x86_64 as a component of Red Hat OpenShift Container Platform 4.3redhat_csaf

    For OpenShift Container Platform 4.3 see the following documentation, which will be updated shortly for release 4.3.10, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update: https://docs.openshift.com/container-platform/4.3/release_notes/ocp-4-3-release-notes.html Details on how to access this content are available at https://docs.openshift.com/container-platform/4.3/updating/updating-cluster-cli.html.

    https://access.redhat.com/errata/RHSA-2020:1276
  • Fixedopenshift-hyperkube-0:4.3.10-202003300855.git.0.da48c1d.el8.x86_64 as a component of Red Hat OpenShift Container Platform 4.3redhat_csaf

    For OpenShift Container Platform 4.3 see the following documentation, which will be updated shortly for release 4.3.10, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update: https://docs.openshift.com/container-platform/4.3/release_notes/ocp-4-3-release-notes.html Details on how to access this content are available at https://docs.openshift.com/container-platform/4.3/updating/updating-cluster-cli.html.

    https://access.redhat.com/errata/RHSA-2020:1276
  • Fixedopenshift4/ose-hyperkube@sha256:cfc68acee9fb003f2c74820d0a2b0e3e3c677a658d5f76fc2c0481ee99124491_amd64 as a component of Red Hat OpenShift Container Platform 4.3redhat_csaf

    For OpenShift Container Platform 4.3 see the following documentation, which will be updated shortly for release 4.3.10, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update: https://docs.openshift.com/container-platform/4.3/release_notes/ocp-4-3-release-notes.html Details on how to access this content are available at https://docs.openshift.com/container-platform/4.3/updating/updating-cluster-cli.html.

    https://access.redhat.com/errata/RHSA-2020:1277
  • Workaroundopenshift-0:4.3.10-202003300855.git.0.da48c1d.el7.src as a component of Red Hat OpenShift Container Platform 4.3redhat_csaf

    Prevent unauthenticated or unauthorized access to the Kubelet API

  • Workaroundopenshift-0:4.3.10-202003300855.git.0.da48c1d.el8.src as a component of Red Hat OpenShift Container Platform 4.3redhat_csaf

    Prevent unauthenticated or unauthorized access to the Kubelet API

  • Workaroundopenshift-hyperkube-0:4.3.10-202003300855.git.0.da48c1d.el7.x86_64 as a component of Red Hat OpenShift Container Platform 4.3redhat_csaf

    Prevent unauthenticated or unauthorized access to the Kubelet API

  • Workaroundopenshift-hyperkube-0:4.3.10-202003300855.git.0.da48c1d.el8.x86_64 as a component of Red Hat OpenShift Container Platform 4.3redhat_csaf

    Prevent unauthenticated or unauthorized access to the Kubelet API

  • Workaroundopenshift4/ose-hyperkube@sha256:cfc68acee9fb003f2c74820d0a2b0e3e3c677a658d5f76fc2c0481ee99124491_amd64 as a component of Red Hat OpenShift Container Platform 4.3redhat_csaf

    Prevent unauthenticated or unauthorized access to the Kubelet API

02

cvss

Technical severity, 0–10. One row per scoring source.

6.5
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.3–6.5

v2.03.3lowAV:A/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 6.5 · impact 2.9
v3.16.5mediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 3.6
v3.14.3mediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · ENISA EU
v3.14.3mediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · jordan@liggitt.netexploitability 2.8 · impact 1.4
v3.14.3mediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · OSV
v3.16mediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)
v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Lsecondary · Red Hat Product Security US
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-770USprimaryCWE-400USCWE-770USCWE-789USCWE-789US
04

affected products (21)

Products and version ranges known to be affected.

showing 20 of 21
05

advisories (5)

Vendor and ecosystem advisories describing this.

  • RHSA-2020:1276Red Hat Security Advisory: OpenShift Container Platform 4.3.10 openshift security update2020-04-07csaf · redhat_csafUS

    An update for openshift is now available for Red Hat OpenShift Container Platform 4.3. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

  • RHSA-2020:1277Red Hat Security Advisory: OpenShift Container Platform 4.3.10 openshift-enterprise-hyperkube-container security update2020-04-08csaf · redhat_csafUS

    An update for openshift-enterprise-hyperkube-container is now available for Red Hat OpenShift Container Platform 4.3. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

  • WID-SEC-W-2022-0510IBM DB2: Mehrere SchwachstellenDeutsch2022-06-29csaf · cert_bundDE

    Ein entfernter, anonymer, authentisierter oder lokaler Angreifer kann mehrere Schwachstellen in IBM DB2 ausnutzen, um Dateien zu manipulieren, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Zustand auszulösen, willkürlichen Code mit erhöhten Rechten auszuführen, Informationen falsch darzustellen und beliebigen Code auszuführen.

  • GHSA-qhm4-jxv7-j9pqAllocation of Resources Without Limits or Throttling and Uncontrolled Memory Allocation in Kubernetes2022-02-15ghsa · osvUS

    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.

  • GO-2022-0867Allocation of Resources Without Limits or Throttling and Uncontrolled Memory Allocation in Kubernetes in k8s.io/kubernetes2024-08-21vendor · osvUS

    Allocation of Resources Without Limits or Throttling and Uncontrolled Memory Allocation in Kubernetes in k8s.io/kubernetes

06

also known as (5)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdosvcert_bundnvdredhat_csafNVDCVE.orgMITRE
published 2020-03-27modified 2026-06-17
09

references (20)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan