CVE-2021-20218

Source
https://cve.org/CVERecord?id=CVE-2021-20218
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-20218.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-20218
Aliases
Downstream
Published
2021-03-16T21:15:10.930Z
Modified
2026-03-14T10:38:14.695057Z
Severity
  • 7.4 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H CVSS Calculator
Summary
[none]
Details

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

References

Affected packages

Git / github.com/fabric8io/kubernetes-client

Affected ranges

Type
GIT
Repo
https://github.com/fabric8io/kubernetes-client
Events
Introduced
Fixed
Introduced
Fixed
Introduced
Fixed
Introduced
Fixed
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
Database specific
{
    "versions": [
        {
            "introduced": "4.2.0"
        },
        {
            "fixed": "4.7.2"
        },
        {
            "introduced": "4.8.0"
        },
        {
            "fixed": "4.11.2"
        },
        {
            "introduced": "4.12.0"
        },
        {
            "fixed": "4.13.2"
        },
        {
            "introduced": "5.0.0"
        },
        {
            "fixed": "5.0.2"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "7.0"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "7.0.0"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "7.0"
        }
    ]
}

Affected versions

v4.*
v4.8.0

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-20218.json"
unresolved_ranges
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "12.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "3.11"
            }
        ]
    }
]