Privilege escalation in Redhat Openshift
CVE-2020-35514
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.
EPSS: 0.002 (12.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Redhat Openshift — versions 4.7.0
- N/a Openshift/machine-config-operator — versions Unspecified
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_MISC, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-35514?
- CVE-2020-35514 is a high-severity vulnerability in Redhat Openshift, classified under Incorrect Privilege Assignment. CVSS score: 7.0/10. Published 2021-06-02.
- How severe is CVE-2020-35514?
- High severity. CVSS v3 base score is 7.0 out of 10.