Is CVE-2021-20218 actively exploited?

CVE-2021-20218 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2021-20218?

CVE-2021-20218 has a CVSS score of 7.4 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H.

How do I patch CVE-2021-20218?

Patch guidance is available from redhat security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-20218.

Fix CVE-2021-20218 - HIGH redhat kubernetes-client

Q: Which products are affected by CVE-2021-20218?

12 products: redhat kubernetes-client, redhat kubernetes-client, redhat kubernetes-client, redhat kubernetes-client, redhat a-mq online, and 7 more.

Description

A flaw was found in the fabric8 kubernetes-client in version 4.2.0 and after. This flaw allows a malicious pod/container to cause applications using the fabric8 kubernetes-client `copy` command to extract files outside the working path. The highest threat from this vulnerability is to integrity and system availability. This has been fixed in kubernetes-client-4.13.2 kubernetes-client-5.0.2 kubernetes-client-4.11.2 kubernetes-client-4.7.2

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
Attack Vector: network
Complexity: high
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: high
Availability: high
Weaknesses: CWE-22 · Path Traversal

Metadata

Primary Vendor: REDHAT
Published: 3/16/2021
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

redhat : kubernetes-clientredhat : kubernetes-clientredhat : kubernetes-clientredhat : kubernetes-clientredhat : a-mq_onlineredhat : build_of_quarkusredhat : codeready_studioredhat : descision_managerredhat : integration_camel_kredhat : jboss_fuseredhat : openshift_container_platformredhat : process_automation

Remediation Guidance

Executive Summary

View on NIST NVD