OS command injection in Kubernetes
Priority MEDIUM 49CWE-78Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 8 without a fix
Attack profile from CVSS 3.0 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-78.
Summary
In Kubernetes versions 1.9.0-1.9.9, 1.10.0-1.10.5, and 1.11.0-1.11.1, user input was handled insecurely while setting up volume mounts on Windows nodes, which could lead to command line argument injection.
Why it matters now
EPSS 0.03996 90th percentileScored 2026-11-07
Fix Partial Kubernetes (Kubernetes): v1.9.10, v1.10.6, v1.11.2k8s.io/kubernetes (Go): 1.9.10, 1.10.6, 1.11.2Red Hat: 8 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 |
|---|---|---|---|---|---|
| Kubernetes | Kubernetes | before v1.9.10; before v1.10.6; before v1.11.2 | v1.9.10, v1.10.6, v1.11.2 | Patch available | CNA |
| — | k8s.io/kubernetes (Go) | 1.9.0 to before 1.9.10 | 1.9.10 | Patch available | GHSA-wqwf-x5cj-rg56 |
| — | k8s.io/kubernetes (Go) | 1.10.0 to before 1.10.6 | 1.10.6 | Patch available | GHSA-wqwf-x5cj-rg56 |
| — | k8s.io/kubernetes (Go) | 1.11.0 to before 1.11.2 | 1.11.2 | Patch available | GHSA-wqwf-x5cj-rg56 |
- Kubernetes VendorKubernetes Affected before v1.9.10; before v1.10.6; before v1.11.2 Fixed in v1.9.10, v1.10.6, v1.11.2 Patch available CNA
- k8s.io/kubernetes (Go) Vendor— Affected 1.9.0 to before 1.9.10 Fixed in 1.9.10 Patch available GHSA-wqwf-x5cj-rg56
- k8s.io/kubernetes (Go) Vendor— Affected 1.10.0 to before 1.10.6 Fixed in 1.10.6 Patch available GHSA-wqwf-x5cj-rg56
- k8s.io/kubernetes (Go) Vendor— Affected 1.11.0 to before 1.11.2 Fixed in 1.11.2 Patch available GHSA-wqwf-x5cj-rg56
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:* | 1.9.0 – 1.9.9; 1.10.0 – 1.10.5; 1.11.0 – 1.11.1 | Vulnerable | Kubernetes |
- cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:* Versions 1.9.0 – 1.9.9; 1.10.0 – 1.10.5; 1.11.0 – 1.11.1 Vulnerable ·Kubernetes
Remediation
- Fix · CNA Kubernetes (Kubernetes) Fixed in v1.9.10, v1.10.6, v1.11.2
- Fix · GHSA-wqwf-x5cj-rg56 k8s.io/kubernetes (Go) Fixed in 1.9.10 Advisory →
- Fix · GHSA-wqwf-x5cj-rg56 k8s.io/kubernetes (Go) Fixed in 1.10.6 Advisory →
- Fix · GHSA-wqwf-x5cj-rg56 k8s.io/kubernetes (Go) Fixed in 1.11.2 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat OpenShift Container Platform 3.10 | Affected | No fix planned: Will not fix |
| Red Hat OpenShift Container Platform 3.11 | Affected | No fix planned: Will not fix |
| Red Hat OpenShift Container Platform 3.4 | Affected | No fix planned: Out of support scope |
| Red Hat OpenShift Container Platform 3.5 | Affected | No fix planned: Out of support scope |
| Red Hat OpenShift Container Platform 3.6 | Affected | No fix planned: Will not fix |
| Red Hat OpenShift Container Platform 3.7 | Affected | No fix planned: Will not fix |
| Red Hat OpenShift Container Platform 3.9 | Affected | No fix planned: Will not fix |
| Red Hat OpenShift Container Platform 4 | Affected | No fix planned: Will not fix |
Not affected: 3 products
- Red Hat OpenShift Container Platform 3.2
- Red Hat OpenShift Container Platform 3.3
- Red Hat Storage 3
Timeline
- 2026-10-02 Threatist record created from CVE-2018-1002101
- 2026-10-03 Alias added: GHSA-wqwf-x5cj-rg56
References
Advisory 2
More Kubernetes vulnerabilities
- TI-2018-16130 Improper privilege management in Kubernetes CVSS 3.0CRITICAL 9.8
- TI-2019-08418 Kubernetes kubelet exposes /debug/pprof info on healthz port CVSS 3.1HIGH 8.2
- TI-2023-05086 Kubernetes - Windows nodes - Insufficient input sanitization in in-tree storage plugin leads to privilege escalation CVSS 3.1HIGH 8.8
- TI-2023-03433 Kubernetes - Windows nodes - Insufficient input sanitization leads to privilege escalation CVSS 3.1HIGH 8.8
- TI-2023-02285 Bypass of seccomp profile enforcement CVSS 3.1MEDIUM 5.5
- TI-2017-14755 Link following in Kubernetes CVSS 3.0CRITICAL 9.6
Sources
- CVE-2018-1002101 · CVE Program
- CVE-2018-1002101 · NVD
- FIRST EPSS
- GHSA-wqwf-x5cj-rg56 · GitHub Advisory Database · CC BY 4.0
- CVE-2018-1002101 · Red Hat security data · CC BY 4.0
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