CVE-2021-20198

Summary

A flaw was found in the OpenShift Installer before version v0.9.0-master.0.20210125200451-95101da940b0. During installation of OpenShift Container Platform 4 clusters, bootstrap nodes are provisioned with anonymous authentication enabled on kubelet port 10250. A remote attacker able to reach this port during installation can make unauthenticated /exec requests to execute arbitrary commands within running containers. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Affected Software

VendorProductVersion RangeStatus
n/aopenshift/installeropenshift/installer v0.9.0-master.0.20210125200451-95101da940b0affected

Weaknesses

  • CWE-306: CWE-306

ADP Enrichment

CVE Program Container

Additional References

References