SARA / Free Tools / CVE / CVE-2019-11247

CVE-2019-11247 — The Kubernetes kube-apiserver mistakenly allows access to a cluster-scoped custo

The Kubernetes kube-apiserver mistakenly allows access to a cluster-scoped custom resource if the request is made as if the resource were namespaced. Authorizations for the resource accessed in this manner are enforced using roles and role bindings within the namespace, meaning t

CVSS
5.0 MEDIUM
EPSS
0.28% (top 48.70%)
CWE
CWE-20
Published
2019-08-29T00:25:27.667Z
Last modified
2024-09-16T18:04:25.053Z
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

01What is this vulnerability?

The Kubernetes kube-apiserver mistakenly allows access to a cluster-scoped custom resource if the request is made as if the resource were namespaced. Authorizations for the resource accessed in this manner are enforced using roles and role bindings within the namespace, meaning that a user with access only to a resource in one namespace could create, view update or delete the cluster-scoped…

02Affected products

VendorProductVersions
KubernetesKubernetesprior to 1.13.9, prior to 1.14.5, prior to 1.15.2, 1.7, 1.8, 1.9, 1.10, 1.11, 1.12

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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