Vulnerability Details CVE-2021-20198
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 67.2%
CVSS Severity
CVSS v3 Score 8.1
CVSS v2 Score 6.8
References
Products affected by CVE-2021-20198
-
cpe:2.3:a:redhat:openshift_installer:0.1.0
-
cpe:2.3:a:redhat:openshift_installer:0.2.0
-
cpe:2.3:a:redhat:openshift_installer:0.3.0
-
cpe:2.3:a:redhat:openshift_installer:0.4.0
-
cpe:2.3:a:redhat:openshift_installer:0.5.0
-
cpe:2.3:a:redhat:openshift_installer:0.5.0-master
-
cpe:2.3:a:redhat:openshift_installer:0.6.0
-
cpe:2.3:a:redhat:openshift_installer:0.7.0
-
cpe:2.3:a:redhat:openshift_installer:0.7.0-master
-
cpe:2.3:a:redhat:openshift_installer:0.8.0
-
cpe:2.3:a:redhat:openshift_installer:0.8.0-master
-
cpe:2.3:a:redhat:openshift_installer:0.9.0-master