CVE-2020-14336

mediumPriorität · verfolgen · 26EPSS 0.009 · 60. PerzentilEUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.93% (60th) EPSS
CVSS 4 · medium
Is it mine?
7 products
Prüfe deine Angriffsfläche
Who says so?
4 sources
cnnvd · enisa_euvd · nvd · redhat_csaf

EPSS · bewertet 2026-10-27

A flaw was found in the Restricted Security Context Constraints (SCC), where it allows pods to craft custom network packets. This flaw allows an attacker to cause a denial of service attack on an OpenShift Container Platform cluster if they can deploy pods. The highest threat from this vulnerability is to system availability.

01

Behebungen

Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.

Ein Hersteller-Fix ist verfügbar.

  • Behobenopenshift4/ose-machine-config-operator@sha256:0d08b01798a96cb124e07a40e6953ad220bc2055f926e27517c2fe202beae812_ppc64le as a component of Red Hat OpenShift Container Platform 4.5redhat_csaf

    For OpenShift Container Platform 4.5 see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update: https://docs.openshift.com/container-platform/4.5/release_notes/ocp-4-5-release-notes.html Details on how to access this content are available at https://docs.openshift.com/container-platform/4.5/updating/updating-cluster-cli.html.

    https://access.redhat.com/errata/RHSA-2020:4320
  • Behobenopenshift4/ose-machine-config-operator@sha256:2ac7d8e5a4a1a8a0cbb06ac6302a146b256e413f54d62dca553c11e1dcc0661d_amd64 as a component of Red Hat OpenShift Container Platform 4.5redhat_csaf

    For OpenShift Container Platform 4.5 see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update: https://docs.openshift.com/container-platform/4.5/release_notes/ocp-4-5-release-notes.html Details on how to access this content are available at https://docs.openshift.com/container-platform/4.5/updating/updating-cluster-cli.html.

    https://access.redhat.com/errata/RHSA-2020:4320
  • Behobenopenshift4/ose-machine-config-operator@sha256:56347b9b9aa202c3ea4ee5fc6c6d4e78bb5aa20d3cc358ef41c5640c45d7538f_s390x as a component of Red Hat OpenShift Container Platform 4.5redhat_csaf

    For OpenShift Container Platform 4.5 see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update: https://docs.openshift.com/container-platform/4.5/release_notes/ocp-4-5-release-notes.html Details on how to access this content are available at https://docs.openshift.com/container-platform/4.5/updating/updating-cluster-cli.html.

    https://access.redhat.com/errata/RHSA-2020:4320
  • Workaroundopenshift4/ose-machine-config-operator@sha256:0d08b01798a96cb124e07a40e6953ad220bc2055f926e27517c2fe202beae812_ppc64le as a component of Red Hat OpenShift Container Platform 4.5redhat_csaf

    On OCP 3.11 create a custom SCC based on 'restricted' and also drop the NET_RAW capability[1]. Assign this custom SCC to any users, or groups which create pods you want to protect. See the documentation for more information [2]. [1] https://access.redhat.com/solutions/5611521 [2] https://docs.openshift.com/container-platform/3.11/admin_guide/manage_scc.html

  • Workaroundopenshift4/ose-machine-config-operator@sha256:2ac7d8e5a4a1a8a0cbb06ac6302a146b256e413f54d62dca553c11e1dcc0661d_amd64 as a component of Red Hat OpenShift Container Platform 4.5redhat_csaf

    On OCP 3.11 create a custom SCC based on 'restricted' and also drop the NET_RAW capability[1]. Assign this custom SCC to any users, or groups which create pods you want to protect. See the documentation for more information [2]. [1] https://access.redhat.com/solutions/5611521 [2] https://docs.openshift.com/container-platform/3.11/admin_guide/manage_scc.html

  • Workaroundopenshift4/ose-machine-config-operator@sha256:56347b9b9aa202c3ea4ee5fc6c6d4e78bb5aa20d3cc358ef41c5640c45d7538f_s390x as a component of Red Hat OpenShift Container Platform 4.5redhat_csaf

    On OCP 3.11 create a custom SCC based on 'restricted' and also drop the NET_RAW capability[1]. Assign this custom SCC to any users, or groups which create pods you want to protect. See the documentation for more information [2]. [1] https://access.redhat.com/solutions/5611521 [2] https://docs.openshift.com/container-platform/3.11/admin_guide/manage_scc.html

02

cvss

Technischer Schweregrad, 0–10. Eine Zeile je Quelle.

6.5
010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · low–medium · 3.1–6.5

v2.04mediumAV:N/AC:L/Au:S/C:N/I:N/A:Pprimary · NVD / NIST USAusnutzbarkeit 8 · Auswirkung 2.9
v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USAusnutzbarkeit 2.8 · Auswirkung 3.6
v3.16mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)
v3.13.1lowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:Lsecondary · Red Hat Product Security US
03

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-770USCWE-770US
04

betroffene Produkte (7)

Betroffene Produkte und Versionsbereiche.

05

Advisories (1)

Hersteller- und Ökosystem-Meldungen dazu.

  • RHSA-2020:4320Red Hat Security Advisory: OpenShift Container Platform 4.5.16 security update2020-10-26csaf · redhat_csafUS

    Red Hat OpenShift Container Platform release 4.5.16 is now available with updates to packages and images that fix several bugs and add enhancements. Red Hat Product Security has rated this update as having a security impact of Low. 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.

06

auch bekannt als (3)

Weitere Namen und Kennungen dieser Entität.

07

quellen

Welche Quellen diesen Datensatz belegen und wann.

cnnvdenisa_euvdnvdredhat_csafNVDCVE.orgMITRE
veröffentlicht 2021-06-02geändert 2026-06-17
08

Referenzen (9)

Externe Belege — Patches, Meldungen, Analysen.

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