CVE-2021-4294: Red Hat Openshift Container Platform

Medium severity, CVSS 5.9. EPSS: 0.7% chance of exploitation in the next 30 days.

A vulnerability was found in OpenShift OSIN. It has been classified as problematic. This affects the function ClientSecretMatches/CheckClientSecret. The manipulation of the argument secret leads to observable timing discrepancy. The name of the patch is 8612686d6dda34ae9ef6b5a974e4b7accb4fea29. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-216987.

Affected products

• Red Hat Openshift Container Platform: version 4.0 only
• Red Hat Openshift Osin: version 1.0.0 only; version 1.0.1 only

Published 2022-12-28. Last modified 2026-06-17.