CVE-2020-27836: Red Hat Openshift Container Platform

Critical severity, CVSS 9.8. EPSS: 1.2% chance of exploitation in the next 30 days.

A flaw was found in cluster-ingress-operator. A change to how the router-default service allows only certain IP source ranges could allow an attacker to access resources that would otherwise be restricted to specified IP ranges. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability..

Affected products

• Red Hat Openshift Container Platform: version 4.6 only

Published 2022-08-22. Last modified 2026-06-17.