CVE-2023-5408
Last modified
CVE-2023-5408 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. 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.. EPSS estimates a 1.11% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Openshift Container Platform | 4.11 |
| Redhat | Openshift Container Platform | 4.12 |
| Redhat | Openshift Container Platform | 4.13 |
| Redhat | Openshift Container Platform | 4.14 |
References
- https://access.redhat.com/errata/RHSA-2023:5006Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:6130Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:6842Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:7479Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2023-5408Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2242173Issue Tracking, Vendor Advisory
- https://github.com/openshift/kubernetes/pull/1736Issue Tracking
- https://access.redhat.com/errata/RHSA-2023:5006Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:6130Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:6842Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:7479Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2023-5408Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2242173Issue Tracking, Vendor Advisory
- https://github.com/openshift/kubernetes/pull/1736Issue Tracking
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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