Path traversal in fabric8-kubernetes-client
Priority LOW 35CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- Partial Red Hat: 9 fixed, 4 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat.
Summary
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
Why it matters now
EPSS 0.01312 70th percentileScored 2026-11-07
Fix Partial io.fabric8:kubernetes-client (Maven): 4.7.2, 4.11.2, 4.13.2 +1Red Hat: 9 advisoriesRed Hat: 9 fixed, 4 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | fabric8-kubernetes-client | kubernetes-client-4.2.0 and after | — | No fix listed | CNA |
| — | io.fabric8:kubernetes-client (Maven) | 4.2.0 to before 4.7.2 | 4.7.2 | Patch available | GHSA-jwh2-ffg4-48xc |
| — | io.fabric8:kubernetes-client (Maven) | 4.8.0 to before 4.11.2 | 4.11.2 | Patch available | GHSA-jwh2-ffg4-48xc |
| — | io.fabric8:kubernetes-client (Maven) | 4.12.0 to before 4.13.2 | 4.13.2 | Patch available | GHSA-jwh2-ffg4-48xc |
| — | io.fabric8:kubernetes-client (Maven) | 5.0.0 to before 5.0.2 | 5.0.2 | Patch available | GHSA-jwh2-ffg4-48xc |
- fabric8-kubernetes-client Vendor— Affected kubernetes-client-4.2.0 and after Fixed in — No fix listed CNA
- io.fabric8:kubernetes-client (Maven) Vendor— Affected 4.2.0 to before 4.7.2 Fixed in 4.7.2 Patch available GHSA-jwh2-ffg4-48xc
- io.fabric8:kubernetes-client (Maven) Vendor— Affected 4.8.0 to before 4.11.2 Fixed in 4.11.2 Patch available GHSA-jwh2-ffg4-48xc
- io.fabric8:kubernetes-client (Maven) Vendor— Affected 4.12.0 to before 4.13.2 Fixed in 4.13.2 Patch available GHSA-jwh2-ffg4-48xc
- io.fabric8:kubernetes-client (Maven) Vendor— Affected 5.0.0 to before 5.0.2 Fixed in 5.0.2 Patch available GHSA-jwh2-ffg4-48xc
CPE configurations NVD · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:redhat:kubernetes-client:*:*:*:*:*:*:*:* | 4.2.0 to before 4.7.2; 4.8.0 to before 4.11.2; 4.12.0 to before 4.13.2; 5.0.0 to before 5.0.2 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:a-mq_online:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:build_of_quarkus:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:codeready_studio:12.0:*:*:*:*:*:*:* | 12.0 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:descision_manager:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:integration_camel_k:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:jboss_fuse:7.0.0:*:*:*:*:*:*:* | 7.0.0 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:* | 3.11 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:process_automation:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
- cpe:2.3:a:redhat:kubernetes-client:*:*:*:*:*:*:*:* Versions 4.2.0 to before 4.7.2; 4.8.0 to before 4.11.2; 4.12.0 to before 4.13.2; 5.0.0 to before 5.0.2 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:a-mq_online:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Red Hat
- cpe:2.3:a:redhat:build_of_quarkus:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Red Hat
- cpe:2.3:a:redhat:codeready_studio:12.0:*:*:*:*:*:*:* Versions 12.0 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:descision_manager:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:integration_camel_k:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Red Hat
- cpe:2.3:a:redhat:jboss_fuse:7.0.0:*:*:*:*:*:*:* Versions 7.0.0 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:* Versions 3.11 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:process_automation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
Remediation
- Fix · GHSA-jwh2-ffg4-48xc io.fabric8:kubernetes-client (Maven) Fixed in 4.7.2 Advisory →
- Fix · GHSA-jwh2-ffg4-48xc io.fabric8:kubernetes-client (Maven) Fixed in 4.11.2 Advisory →
- Fix · GHSA-jwh2-ffg4-48xc io.fabric8:kubernetes-client (Maven) Fixed in 4.13.2 Advisory →
- Fix · GHSA-jwh2-ffg4-48xc io.fabric8:kubernetes-client (Maven) Fixed in 5.0.2 Advisory →
Red Hat 9 advisories
- RHSA-2022:0297 Released 2022-01-26 · Red Hat rating ModerateRed Hat Decision Manager 7.12.0 security update
- RHDM 7.12.0
- RHSA-2022:0296 Released 2022-01-26 · Red Hat rating CriticalRed Hat Process Automation Manager 7.12.0 security update
- RHPAM 7.12.0
- RHSA-2021:5134 Released 2021-12-14 · Red Hat rating CriticalRed Hat Fuse 7.10.0 release and security update
- Red Hat Fuse 7.10
Show 6 more Red Hat advisories
- RHSA-2021:3207 Released 2021-08-18 · Red Hat rating ModerateRed Hat Integration Camel Quarkus Tech-Preview 2 security update
- Red Hat Integration Camel Quarkus 2
- RHSA-2021:3205 Released 2021-08-18 · Red Hat rating ModerateRed Hat Integration Camel-K 1.4 release and security update
- Red Hat Integration
- RHSA-2021:2438 Released 2021-07-27 · Red Hat rating ModerateOpenShift Container Platform 4.8.2 bug fix and security update
- Red Hat OpenShift Container Platform 4.8 openshift4/driver-toolkit-rhel8, openshift4/egress-router-cni-rhel8, openshift4/network-tools-rhel8 +47
- RHSA-2021:1006 Released 2021-04-05 · Red Hat rating ModerateOpenShift Container Platform 4.7.5 security and bug fix update
- Red Hat OpenShift Container Platform 4.7 cri-o-1.20.2-4.rhaos4.7.gitd5a999a.el7, cri-o-1.20.2-4.rhaos4.7.gitd5a999a.el8, jenkins-2-plugins-4.7.1616671397-1.el8 +4
- RHSA-2021:1004 Released 2021-03-29 · Red Hat rating ModerateRed Hat build of Quarkus 1.11.6 release and security update
- Text-Only RHOAR
- RHSA-2021:0986 Released 2021-03-25 · Red Hat rating LowAMQ Online 1.7.0 release and security update
- Red Hat AMQ Online 1.7.0 GA
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Integration Camel K 1 | Affected | No fix yet |
| Red Hat Integration Camel Quarkus 1 | Affected | No fix yet |
| Red Hat OpenShift Container Platform 3.11 | Affected | No fix planned: Will not fix |
| Red Hat OpenShift Container Platform 4 | Affected | No fix planned: Will not fix |
| RHDM 7.12.0 | Fixed | RHSA-2022:0297 |
| RHPAM 7.12.0 | Fixed | RHSA-2022:0296 |
| Red Hat AMQ Online 1.7.0 GA | Fixed | RHSA-2021:0986 |
| Red Hat Fuse 7.10 | Fixed | RHSA-2021:5134 |
| Red Hat Integration | Fixed | RHSA-2021:3205 |
| Red Hat Integration Camel Quarkus 2 | Fixed | RHSA-2021:3207 |
| Red Hat OpenShift Container Platform 4.7 | Fixed | RHSA-2021:1006 |
| Red Hat OpenShift Container Platform 4.8 | Fixed | RHSA-2021:2438 |
| Text-Only RHOAR | Fixed | RHSA-2021:1004 |
Not affected: 2 products
- Red Hat JBoss Fuse 6
- Red Hat OpenShift Container Platform 4.7
Timeline
- 2026-10-02 Threatist record created from CVE-2021-20218
- 2026-10-03 Alias added: GHSA-jwh2-ffg4-48xc
References
Sources
- CVE-2021-20218 · CVE Program
- CVE-2021-20218 · NVD
- FIRST EPSS
- GHSA-jwh2-ffg4-48xc · GitHub Advisory Database · CC BY 4.0
- CVE-2021-20218 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences