Severity
8.1HIGHNVD
EPSS
0.2%
top 53.01%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedApr 22
Latest updateMay 5

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()

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 2.2 | Impact: 5.9

Affected Packages3 packages

Gok8s.io/kubernetes1.12.01.12.5+1
CVEListV5kubernetes/kubernetesv1.12v1.12.4+1
NVDkubernetes/kubernetes1.12.01.12.4+1

🔴Vulnerability Details

4
OSV
Kubernetes did not effectively clear service account credentials in k8s.io/kubernetes2025-05-05
GHSA
Kubernetes did not effectively clear service account credentials2022-05-24
OSV
Kubernetes did not effectively clear service account credentials2022-05-24
CVEList
CVE-2019-11243: In Kubernetes v12019-04-22

📋Vendor Advisories

2
Red Hat
kubernetes: Authentication information exposure in rest.AnonymousClientConfig()2019-04-22
Debian
CVE-2019-11243: kubernetes - In Kubernetes v1.12.0-v1.12.4 and v1.13.0, the rest.AnonymousClientConfig() meth...2019

💬Community

7
Bugzilla
CVE-2019-11243 kubernetes:openshift-3.10/origin: kubernetes: Authentication information exposure in rest.AnonymousClientConfig() [fedora-29]2019-05-27
Bugzilla
CVE-2019-11243 kubernetes:1.1/kubernetes: Authentication information exposure in rest.AnonymousClientConfig() [fedora-29]2019-04-25
Bugzilla
CVE-2019-11243 kubernetes:openshift-3.10/origin: kubernetes: Authentication information exposure in rest.AnonymousClientConfig() [fedora-29]2019-04-25
Bugzilla
CVE-2019-11243 kubernetes: Authentication information exposure in rest.AnonymousClientConfig()2019-04-25
Bugzilla
CVE-2019-11243 kubernetes: Authentication information exposure in rest.AnonymousClientConfig() [fedora-all]2019-04-25
CVE-2019-11243 — Privilege Dropping / Lowering Errors | cvebase