CVE-2021-20218
CVSS V2 Medium 5.8
CVSS V3 High 7.4
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
Overview
- CVE ID
- CVE-2021-20218
- Assigner
- secalert@redhat.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-03-16T21:15:10
- Last Modified Date
- 2021-03-25T18:43:53
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:redhat:kubernetes-client:*:*:*:*:*:*:*:* | 1 | OR | 4.2.0 | 4.7.2 |
| cpe:2.3:a:redhat:kubernetes-client:*:*:*:*:*:*:*:* | 1 | OR | 4.8.0 | 4.11.2 |
| cpe:2.3:a:redhat:kubernetes-client:*:*:*:*:*:*:*:* | 1 | OR | 4.12.0 | 4.13.2 |
| cpe:2.3:a:redhat:kubernetes-client:*:*:*:*:*:*:*:* | 1 | OR | 5.0.0 | 5.0.2 |
| cpe:2.3:a:redhat:a-mq_online:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:redhat:build_of_quarkus:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:redhat:codeready_studio:12.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:redhat:descision_manager:7.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:redhat:integration_camel_k:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:redhat:jboss_fuse:7.0.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:redhat:process_automation:7.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:N/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 5.8
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 4.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- HIGH
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 7.4
- Base Severity
- HIGH
- Exploitability Score
- 2.2
- Impact Score
- 5.2
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/fabric8io/kubernetes-client/issues/2715 | Patch Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1923405 | Issue Tracking Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-20218 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20218 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:18:43 | Added to TrackCVE | |||
| 2022-12-05 23:49:57 | 2021-03-16T21:15Z | 2021-03-16T21:15:10 | CVE Published Date | updated |
| 2022-12-05 23:49:57 | 2021-03-25T18:43:53 | CVE Modified Date | updated | |
| 2022-12-05 23:49:57 | Analyzed | Vulnerability Status | updated |