CVE-2023-3027 Privilege escalation in RHACM
Attackers can escalate privileges within the cluster by exploiting improper namespace restrictions in dynamically obtained policy values.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-3027?
CVE-2023-3027 is a high-severity vulnerability in RHACM, published on 5 Jun 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Which versions are affected by CVE-2023-3027?
It affects 1 product.
Products include Redhat Advanced Cluster Management for Kubernetes.
How do I fix CVE-2023-3027?
No fix has been published for CVE-2023-3027 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-3027 being exploited?
There is no known exploitation of CVE-2023-3027 in the wild and no public exploit code.
Other vulnerabilities in RHACM
- CVE-2026-4740 Open Cluster Management (OCM): Cross-cluster privilege escalation via improper Kubernetes client certificate renewal validation
- CVE-2022-3841 Server-side request forgery in RHACM
- CVE-2026-71474 Insights-client-rhel9: insights-client: pull-secret bearer token written to logs on non-200 ccx response
- CVE-2026-71475 Insights-client-rhel9: insights-client: spoke-controlled clusterid injected unencoded into insights api url path
- CVE-2026-71846 Insights-client: insights-client: clusterrole grants cluster-wide secrets get/list/watch beyond least privilege
Sources
Also known as GHSA-ffmc-4rrr-xm85.