CVE-2021-20218

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

Category

7.4
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.59%
Vendor Advisory redhat.com
Affected: n/a fabric8-kubernetes-client
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1923405 issue tracking vendor advisory
https://github.com/fabric8io/kubernetes-client/issues/2715 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-20218?
CVE-2021-20218 has been scored as a high severity vulnerability.
How to fix CVE-2021-20218?
To fix CVE-2021-20218, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-20218 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-20218 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20218?
CVE-2021-20218 affects n/a fabric8-kubernetes-client.
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