CVE-2023-5408 Openshift: modification of node role labels
Remote attackers can modify node role labels to steer control plane workloads, gaining broader cluster access and privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-5408?
CVE-2023-5408 is a high-severity vulnerability in Redhat Openshift Container Platform, published on 2 Nov 2023. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A privilege escalation flaw was found in the node restriction admission plugin of the kubernetes api server of OpenShift. A remote attacker who modifies the node role label could steer workloads from the control plane and etcd nodes onto different worker nodes and gain broader access to the cluster.
Weakness: CWE-269
Which versions are affected by CVE-2023-5408?
It affects 1 product.
Products include Redhat Openshift Container Platform.
How do I fix CVE-2023-5408?
Apply the vendor's patch.
Is CVE-2023-5408 being exploited?
There is no known exploitation of CVE-2023-5408 in the wild and no public exploit code.
Other vulnerabilities in Redhat Openshift Container Platform
- CVE-2020-27836 Missing authorization in cluster-ingress-operator
- CVE-2018-1085 Misconfiguration in openshift-ansible
- CVE-2026-54099 Privilege escalation in Red Hat OpenShift Container Platform 4
- CVE-2026-1784 Ose-cluster-ingress-operator: remote code execution through haproxy configuration injection
- CVE-2021-20182 Privilege escalation in openshift
Sources
Also known as AZL-31786, AZL-34898, GHSA-7664-m5hw-r7q8.