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CVE-2019-11250
Kubernetes client-go logs authorization headers at debug verbosity levels
Medium4.7EPSS 1.8%
- Published
- Updated
- Reserved
- Assigned by
- kubernetes
Description
The Kubernetes client-go library logs request headers at verbosity levels of 7 or higher. This can disclose credentials to unauthorized users via logs or command output. Kubernetes components (such as kube-apiserver) prior to v1.16.0, which make use of basic or bearer token authentication, and run at high verbosity levels, are affected.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| kubernetesCNA (assigner) | 3.0 | Medium4.7 | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVDNVD · Modified | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 1.8% · top 22% of all CVEs (5 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
- affected prior to 1.16
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Gok8s.io/client-goGHSA-jmrx-5g74-6v2f (opens in a new tab)
- Gok8s.io/kubernetesGHSA-jmrx-5g74-6v2f (opens in a new tab)
What to do
Workaround: lower log verbosity levels to <= 6
References (5)
- https://github.com/kubernetes/kubernetes/issues/81114 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://security.netapp.com/advisory/ntap-20190919-0003/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2019:4052 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2019:4087 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- [oss-security] 20201016 Kubernetes: Multiple secret leaks when verbose logging is enabled (opens in a new tab)mailing-listx_refsource_MLISTx_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-jmrx-5g74-6v2f (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2019-11250)Record last updated .