kubernetes: Authentication information exposure in rest.AnonymousClientConfig()
Published Apr 22, 2019
8.1
HIGHCVSS 3.1
EPSS 1.49%
Description
In Kubernetes v1.12.0-v1.12.4 and v1.13.0, the rest.AnonymousClientConfig() method returns a copy of the provided config, with credentials removed (bearer token, username/password, and client certificate/key data). In the affected versions, rest.AnonymousClientConfig() did not effectively clear service account credentials loaded using rest.InClusterConfig()
Affected products
-
- Version v1.12StatusaffectedConstraints<=v1.12.4
- Version v1.13StatusaffectedConstraints<=v1.13.0
- 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 |
|
Configuration 1
- ≥ 1.12.0 · ≤ 1.12.4
- 1.13.0
No data.
Red Hat OpenShift Container Platform 3.10
atomic-openshift
Not affected
Red Hat OpenShift Container Platform 3.11
atomic-openshift
Not affected
Red Hat OpenShift Container Platform 3.4
atomic-openshift
Not affected
Red Hat OpenShift Container Platform 3.5
atomic-openshift
Not affected
Red Hat OpenShift Container Platform 3.6
atomic-openshift
Not affected
Red Hat OpenShift Container Platform 3.7
atomic-openshift
Not affected
Red Hat OpenShift Container Platform 3.9
atomic-openshift
Not affected
Red Hat OpenShift Container Platform 4
openshift
Not affected
Red Hat Storage 3
heketi
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat OpenShift Container Platform 3.10 | atomic-openshift | Not affected | n/a |
| Red Hat OpenShift Container Platform 3.11 | atomic-openshift | Not affected | n/a |
| Red Hat OpenShift Container Platform 3.4 | atomic-openshift | Not affected | n/a |
| Red Hat OpenShift Container Platform 3.5 | atomic-openshift | Not affected | n/a |
| Red Hat OpenShift Container Platform 3.6 | atomic-openshift | Not affected | n/a |
| Red Hat OpenShift Container Platform 3.7 | atomic-openshift | Not affected | n/a |
| Red Hat OpenShift Container Platform 3.9 | atomic-openshift | Not affected | n/a |
| Red Hat OpenShift Container Platform 4 | openshift | Not affected | n/a |
| Red Hat Storage 3 | heketi | Not affected | n/a |
k8s.io/kubernetes
Go
Introduced 1.12.0 Fixed 1.12.5k8s.io/kubernetes
Go
Introduced 1.13.0 Fixed 1.13.1
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| Go | k8s.io/kubernetes | 1.12.0 | 1.12.5 |
| Go | k8s.io/kubernetes | 1.13.0 | 1.13.1 |
Remediation
Vendor solution
Clear the config.WrapTransport and config.Transport fields in addition to calling rest.AnonymousClientConfig()
Red Hat statement
This issue does not affect the version of Kubernetes(embedded in heketi) shipped with Red Hat Gluster Storage 3 as it does not contain the vulnerable functionality.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
AV:N/AC:M/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 3, 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 (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 1.49% (0.01492) | 73.23th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.49% (0.01492) | 72.97th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.36% (0.00357) | 72.38th | v3 (v2023.03.01) |
| May 20, 2024 | 0.36% (0.00357) | 72.04th | v3 (v2023.03.01) |
| Apr 15, 2024 | 0.36% (0.00363) | 72.01th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.43% (0.00428) | 73.72th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.43% (0.00428) | 71.23th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.45% (0.00450) | 71.16th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00954) | 36.37th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00954) | 32.50th | v2 (v2022.01.01) |
| Feb 4, 2022 | 12.49% (0.12492) | 89.83th | 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 (8)
- http://www.securityfocus.com/bid/108053 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2019-11243 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1703218 Issue Tracking
- https://github.com/advisories/GHSA-gc2p-g4fg-29vh Advisory
- https://github.com/kubernetes/kubernetes/issues/76797 x_refsource_MISCThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2019-11243
- https://security.netapp.com/advisory/ntap-20190509-0002 x_refsource_CONFIRMThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2019-11243
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/108053 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2019-11243 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1703218 | Issue Tracking | |
| https://github.com/advisories/GHSA-gc2p-g4fg-29vh | Advisory | |
| https://github.com/kubernetes/kubernetes/issues/76797 | x_refsource_MISCThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2019-11243 | ||
| https://security.netapp.com/advisory/ntap-20190509-0002 | x_refsource_CONFIRMThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2019-11243 |
Change history (0)
No recorded changes yet.