Docker config secrets leaked when file is malformed and loglevel >= 4
Published Dec 7, 2020
5.5
MEDIUMCVSS 3.1
EPSS 0.47%
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.
Affected products
-
- Version < 1.17.13StatusaffectedConstraints-
- Version < 1.18.10StatusaffectedConstraints-
- Version < 1.19.3StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kubernetes | Kubernetes | n/a |
|
- ≥ 1.17.0 · < 1.17.13
- ≥ 1.18.0 · < 1.18.10
- ≥ 1.19.0 · < 1.19.3
No data.
Red Hat OpenShift Container Platform 3.11
atomic-openshift-0:3.11.501-1.git.0.f8c4746.el7
Fixed · RHSA-2021:3193
Red Hat OpenShift Container Platform 4.4
openshift4/ose-docker-builder:v4.4.0-202101261542.p0
Fixed · RHSA-2021:0281
Red Hat OpenShift Container Platform 4.5
openshift4/ose-docker-builder:v4.5.0-202012050338.p0
Fixed · RHSA-2020:5359
Red Hat OpenShift Container Platform 4.6
openshift-0:4.6.0-202101160934.p0.git.94242.fc5242e.el7
Fixed · RHSA-2021:0172
Red Hat OpenShift Container Platform 4.6
openshift-clients-0:4.6.0-202010081244.p0.git.3794.4743d24.el7
Fixed · RHSA-2020:4297
Red Hat OpenShift Container Platform 4.6
openshift4/ose-docker-builder:v4.6.0-202012050130.p0
Fixed · RHSA-2020:5259
Red Hat OpenShift Container Platform 4.6
openshift4/ose-hyperkube:v4.6.0-202101160934.p0
Fixed · RHSA-2021:0171
Red Hat Storage 3
heketi
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat OpenShift Container Platform 3.11 | atomic-openshift-0:3.11.501-1.git.0.f8c4746.el7 | Fixed | RHSA-2021:3193 |
| Red Hat OpenShift Container Platform 4.4 | openshift4/ose-docker-builder:v4.4.0-202101261542.p0 | Fixed | RHSA-2021:0281 |
| Red Hat OpenShift Container Platform 4.5 | openshift4/ose-docker-builder:v4.5.0-202012050338.p0 | Fixed | RHSA-2020:5359 |
| Red Hat OpenShift Container Platform 4.6 | openshift-0:4.6.0-202101160934.p0.git.94242.fc5242e.el7 | Fixed | RHSA-2021:0172 |
| Red Hat OpenShift Container Platform 4.6 | openshift-clients-0:4.6.0-202010081244.p0.git.3794.4743d24.el7 | Fixed | RHSA-2020:4297 |
| Red Hat OpenShift Container Platform 4.6 | openshift4/ose-docker-builder:v4.6.0-202012050130.p0 | Fixed | RHSA-2020:5259 |
| Red Hat OpenShift Container Platform 4.6 | openshift4/ose-hyperkube:v4.6.0-202101160934.p0 | Fixed | RHSA-2021:0171 |
| Red Hat Storage 3 | heketi | Not affected | n/a |
github.com/kubernetes/kubernetes
Go
Introduced 1.18.0 Fixed 1.18.10github.com/kubernetes/kubernetes
Go
Introduced 0 Fixed 1.17.13github.com/kubernetes/kubernetes
Go
Introduced 1.19.0 Fixed 1.19.3k8s.io/kubernetes
Go
Introduced 0 Fixed 1.20.0-alpha.1
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| Go | github.com/kubernetes/kubernetes | 1.18.0 | 1.18.10 |
| Go | github.com/kubernetes/kubernetes | 0 | 1.17.13 |
| Go | github.com/kubernetes/kubernetes | 1.19.0 | 1.19.3 |
| Go | k8s.io/kubernetes | 0 | 1.20.0-alpha.1 |
Remediation
Vendor solution
Do not enable verbose logging in production (log level >= 4), limit access to logs.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
2 other sources (GHSA, Red Hat) ▾
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.47% (0.00467) | 38.10th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.47% (0.00467) | 39.60th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.05% (0.00047) | 17.61th | v3 (v2023.03.01) |
| May 8, 2024 | 0.05% (0.00047) | 16.28th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00047) | 14.26th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00890) | 30.33th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.41% (0.01412) | 50.22th | v2 (v2022.01.01) |
| Feb 3, 2022 | 3.63% (0.03630) | 71.73th | v1 |
| Jan 6, 2022 | 3.63% (0.03630) | 71.48th | v1 |
| Jan 5, 2022 | 0.83% (0.00833) | 58.90th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.83% (0.00833) | 0.00th | v1 |
References (12)
- https://access.redhat.com/security/cve/CVE-2020-8564 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1886637 Issue Tracking
- https://github.com/advisories/GHSA-8mjg-8c8g-6h85 Advisory
- https://github.com/kubernetes/kubernetes/commit/11793434dac97a49bfed0150b56ac63e5dc34634
- https://github.com/kubernetes/kubernetes/issues/95622 x_refsource_CONFIRMThird Party Advisory
- https://github.com/kubernetes/kubernetes/pull/94712
- https://groups.google.com/g/kubernetes-announce/c/ScdmyORnPDk
- https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2020-8564
- https://pkg.go.dev/vuln/GO-2021-0066
- https://security.netapp.com/advisory/ntap-20210122-0006 x_refsource_CONFIRMThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2020-8564
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2020-8564 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1886637 | Issue Tracking | |
| https://github.com/advisories/GHSA-8mjg-8c8g-6h85 | Advisory | |
| https://github.com/kubernetes/kubernetes/commit/11793434dac97a49bfed0150b56ac63e5dc34634 | ||
| https://github.com/kubernetes/kubernetes/issues/95622 | x_refsource_CONFIRMThird Party Advisory | |
| https://github.com/kubernetes/kubernetes/pull/94712 | ||
| https://groups.google.com/g/kubernetes-announce/c/ScdmyORnPDk | ||
| https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ | mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2020-8564 | ||
| https://pkg.go.dev/vuln/GO-2021-0066 | ||
| https://security.netapp.com/advisory/ntap-20210122-0006 | x_refsource_CONFIRMThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2020-8564 |
Change history (0)
No recorded changes yet.