CVE-2020-35514 Privilege escalation in openshift/machine-config-operator
An attacker with container or node access can steal kubeconfig to add rogue nodes to the OpenShift cluster, compromising confidentiality, integrity, and availability.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-35514?
CVE-2020-35514 is a high-severity vulnerability in Redhat Openshift, published on 2 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An insecure modification flaw in the /etc/kubernetes/kubeconfig file was found in OpenShift. This flaw allows an attacker with access to a running container which mounts /etc/kubernetes or has local access to the node, to copy this kubeconfig file and attempt to add their own node to the OpenShift cluster. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. This flaw affects versions before openshift4/ose-machine-config-operator v4.7.0-202105111858.p0.
Weakness: CWE-266
Which versions are affected by CVE-2020-35514?
It affects 1 product.
Products include Redhat Openshift.
How do I fix CVE-2020-35514?
No fix has been published for CVE-2020-35514 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-35514 being exploited?
There is no known exploitation of CVE-2020-35514 in the wild and no public exploit code.