CVE-2021-20252: Red Hat 3scale API Management

Medium severity, CVSS 6.5. EPSS: 1% chance of exploitation in the next 30 days.

A flaw was found in Red Hat 3scale API Management Platform 2. The 3scale backend does not perform preventive handling on user-requested date ranges in certain queries allowing a malicious authenticated user to submit a request with a sufficiently large date range to eventually yield an internal server error resulting in denial of service. The highest threat from this vulnerability is to system availability.

Affected products

• Red Hat 3scale API Management: version 2.0 only

Published 2021-02-23. Last modified 2026-06-17.