Secret leaks in logs for vSphere Provider kube-controller-manager
Priority LOW 26CWE-532Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-532.
Summary
In Kubernetes clusters using VSphere as a cloud provider, with a logging level set to 4 or above, VSphere cloud credentials will be leaked in the cloud controller manager's log. This affects < v1.19.3.
Why it matters now
EPSS 0.00539 45th percentileScored 2026-11-07
Fix Fixed Kubernetes (Kubernetes): 1.19.3github.com/kubernetes/kubernetes (Go): 1.19.3Red Hat: 1 advisory
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 1.19.3 | 1.19.3 | Patch available | CNA |
| — | github.com/kubernetes/kubernetes (Go) | before 1.19.3 | 1.19.3 | Patch available | GHSA-5xfg-wv98-264m |
- Kubernetes VendorKubernetes Affected before 1.19.3 Fixed in 1.19.3 Patch available CNA
- github.com/kubernetes/kubernetes (Go) Vendor— Affected before 1.19.3 Fixed in 1.19.3 Patch available GHSA-5xfg-wv98-264m
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:* | before 1.19.3 | Vulnerable | Kubernetes |
- cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:* Versions before 1.19.3 Vulnerable ·Kubernetes
Remediation
- Fix · CNA Kubernetes (Kubernetes) Fixed in 1.19.3
- Fix · GHSA-5xfg-wv98-264m github.com/kubernetes/kubernetes (Go) Fixed in 1.19.3 Advisory →
Red Hat 1 advisory
- RHSA-2020:5260 Released 2020-12-14 · Red Hat rating ModerateOpenShift Container Platform 4.6.8 security and packages update
- Red Hat OpenShift Container Platform 4.6 openshift-4.6.0-202012051246.p0.git.94231.efc9027.el7, openshift-4.6.0-202012051246.p0.git.94231.efc9027.el8, openshift-hyperkube-4.6.0-202012051246.p0.git.94231.efc9027.el7 +1
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 4.6 | Fixed | RHSA-2020:5260 |
| Red Hat OpenShift Container Platform 4.7 | Fixed | RHSA-2020:5633 |
Not affected: 4 products
- Red Hat OpenShift Container Platform 3.11
- Red Hat OpenShift Container Platform 4.6
- Red Hat OpenShift Container Platform 4.7
- Red Hat Storage 3
Timeline
- 2026-10-02 Threatist record created from CVE-2020-8563
- 2026-10-03 Alias added: GHSA-5xfg-wv98-264m
References
Advisory 3
Other 6
- https://github.com/kubernetes/kubernetes/pull/95236
- https://github.com/kubernetes/kubernetes/pull/95236/commits/247f6dd09299bc7893c1e0affea11c0255025b96
- https://bugzilla.redhat.com/show_bug.cgi?id=1886635
- https://github.com/kubernetes/kubernetes
- https://groups.google.com/g/kubernetes-announce/c/ScdmyORnPDk
- https://security.netapp.com/advisory/ntap-20210122-0006
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-2020-8563 · CVE Program
- CVE-2020-8563 · NVD
- FIRST EPSS
- GHSA-5xfg-wv98-264m · GitHub Advisory Database · CC BY 4.0
- CVE-2020-8563 · 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