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Vulnerability record · CVE-2023-3027 · published 5 June 2023

CVE-2023-3027: Redhat advanced cluster management for kubernetes improper privilege management vulnerability

Redhat · Advanced Cluster Management For Kubernetes

The grc-policy-propagator allows security escalation within the cluster. The propagator allows policies which contain some dynamically obtained values (instead of the policy apply a static manifest on a managed cluster) of taking advantage of cluster scoped access in a created policy. This feature does not restrict properly to lookup content from the namespace where the policy was created.

7.8 CVSS 3.1 High EPSS 0.20% · top 91.4% CWE-269 · Improper privilege managementCWE-863 · Incorrect authorization
7.8CVSS 3.1 base score
0.20%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

The grc-policy-propagator allows security escalation within the cluster. The propagator allows policies which contain some dynamically obtained values (instead of the policy apply a static manifest on a managed cluster) of taking advantage of cluster scoped access in a created policy. This feature does not restrict properly to lookup content from the namespace where the policy was created.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugzilla.redhat.com/show_bug.cgi?id=2211468#c0 Issue TrackingVendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2211468#c0 Issue TrackingVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2023-3027), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.