CVE-2021-33670: SAP NetWeaver Application Server Java

High severity, CVSS 7.5. EPSS: 3.2% chance of exploitation in the next 30 days.

SAP NetWeaver AS for Java (Http Service Monitoring Filter), versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, allows an attacker to send multiple HTTP requests with different method types thereby crashing the filter and making the HTTP server unavailable to other legitimate users leading to denial of service vulnerability.

Affected products

• SAP NetWeaver Application Server Java: version 7.10 only; version 7.11 only; version 7.20 only; version 7.30 only; version 7.31 only; version 7.40 only; …

Published 2021-07-14. Last modified 2026-06-17.