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CVE-2023-5408

Date: November 1, 2023

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.

Language: Go

Severity Score

Related Resources (9)

https://access.redhat.com/errata/RHSA-2023:5006
https://github.com/openshift/kubernetes/pull/1736
https://bugzilla.redhat.com/show_bug.cgi?id=2242173
https://access.redhat.com/errata/RHSA-2023:7479
https://access.redhat.com/errata/RHSA-2023:6842
https://nvd.nist.gov/vuln/detail/CVE-2023-5408
https://access.redhat.com/security/cve/CVE-2023-5408
https://access.redhat.com/errata/RHSA-2023:6130
https://www.mend.io/vulnerability-database/CVE-2023-5408

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

Improper Privilege Management

CWE-269

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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