CVE-2021-20218
Improper Limitation of a Pathname to a Restricted Directory in Fabric8 Kubernetes Client
7.4
HIGH
CVSS 3.1
EPSS 0.59%
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
How to fix CVE-2021-20218
To remediate CVE-2021-20218, upgrade the affected package to a fixed version below.
- —upgrade to 4.7.2 or later
Is CVE-2021-20218 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 4.2.0, < 4.7.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H |