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CVE-2020-8563
Secret leaks in logs for vSphere Provider kube-controller-manager
Medium4.7EPSS 0.54%
- Published
- Updated
- Reserved
- Assigned by
- kubernetes
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| kubernetesCNA (assigner) | 3.1 | Medium4.7 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.54% · top 55% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.7.
Weakness
Affected products
Kubernetes · Kubernetes
- affected < 1.19.3
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Gogithub.com/kubernetes/kubernetesGHSA-5xfg-wv98-264m (opens in a new tab)
What to do
Workaround: Do not enable verbose logging in production (log level >= 4), limit access to logs.
References (3)
- https://github.com/kubernetes/kubernetes/issues/95621 (opens in a new tab)x_refsource_CONFIRMx_transferred
- Multiple secret leaks when verbose logging is enabled (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://security.netapp.com/advisory/ntap-20210122-0006/ (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-5xfg-wv98-264m (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .