CVE-2022-3248 Openshift api admission checks does not enforce "custom-host" permissions
Attackers can bypass custom-host permission boundaries in OpenShift API admission checks, violating security constraints.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-3248?
CVE-2022-3248 is a medium-severity missing authorization vulnerability in Redhat Openshift Container Platform, published on 5 Oct 2023. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A flaw was found in OpenShift API, as admission checks do not enforce "custom-host" permissions. This issue could allow an attacker to violate the boundaries, as permissions will not be applied.
Weakness: CWE-863
Which versions are affected by CVE-2022-3248?
It affects 2 products.
Products include Redhat Advanced Cluster Management for Kubernetes, Redhat Openshift Container Platform.
How do I fix CVE-2022-3248?
No fix has been published for CVE-2022-3248 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2022-3248 being exploited?
There is no known exploitation of CVE-2022-3248 in the wild and no public exploit code.
Other vulnerabilities in Redhat Openshift Container Platform
- CVE-2026-4740 Open Cluster Management (OCM): Cross-cluster privilege escalation via improper Kubernetes client certificate renewal validation
- CVE-2023-3027 Privilege escalation in RHACM
- 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
Sources
Also known as GHSA-4rc4-8xqr-5g82.