RHCOS 4 : OpenShift Container Platform 4.4.32 (RHSA-2021:0030)

medium Nessus Plugin ID 312516

Synopsis

The remote Red Hat CoreOS host is missing a security update for OpenShift Container Platform 4.4.32.

Description

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2021:0030 advisory.

- kubernetes: compromised node could escalate to cluster level privileges (CVE-2020-8559)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the RHCOS OpenShift Container Platform 4.4.32 packages based on the guidance in RHSA-2021:0030.

See Also

https://access.redhat.com/security/updates/classification/#moderate

https://bugzilla.redhat.com/show_bug.cgi?id=1851422

https://bugzilla.redhat.com/show_bug.cgi?id=1913234

http://www.nessus.org/u?34ba2fa7

https://access.redhat.com/errata/RHSA-2021:0030

Plugin Details

Severity: Medium

ID: 312516

File Name: rhcos-RHSA-2021-0030.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 5/6/2026

Updated: 5/6/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 6

Temporal Score: 4.7

Vector: CVSS2#AV:N/AC:M/Au:S/C:P/I:P/A:P

CVSS Score Source: CVE-2020-8559

CVSS v3

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 6.1

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:openshift, p-cpe:/a:redhat:enterprise_linux:openshift-hyperkube, cpe:/o:redhat:enterprise_linux:8:coreos, cpe:/o:redhat:enterprise_linux:7:coreos

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/13/2021

Vulnerability Publication Date: 7/15/2020

Reference Information

CVE: CVE-2020-8559

CWE: 601

RHSA: 2021:0030