CVE-2020-8564
Docker config secrets leaked when file is malformed and loglevel >= 4
- Published
- Updated
- Reserved
- Assigned by
- kubernetes
Description
In Kubernetes clusters using a logging level of at least 4, processing a malformed docker config file will result in the contents of the docker config file being leaked, which can include pull secrets or other registry credentials. This affects < v1.19.3, < v1.18.10, < v1.17.13.
Timeline
ID reserved
By kubernetes
- 10 months later
· 10 months later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
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)
- 0.47% · top 59% of all CVEs (8 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.7.
Weakness
Affected products
- affected < 1.19.3
- affected < 1.18.10
- affected < 1.17.13
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Gogithub.com/kubernetes/kubernetesGHSA-8mjg-8c8g-6h85 (opens in a new tab)
- Gok8s.io/kubernetesGHSA-8mjg-8c8g-6h85 (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)
- Multiple secret leaks when verbose logging is enabled (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://github.com/kubernetes/kubernetes/issues/95622 (opens in a new tab)x_refsource_CONFIRMx_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-8mjg-8c8g-6h85 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2020-8564)Record last updated .