CVE-2021-33691: SAP NetWeaver Development Infrastructure

Medium severity, CVSS 6.1. EPSS: 0.6% chance of exploitation in the next 30 days.

NWDI Notification Service versions - 7.31, 7.40, 7.50, does not sufficiently encode user-controlled inputs, resulting in Cross-Site Scripting (XSS) vulnerability.SAP NetWeaver Development Infrastructure Notification Service allows a threat actor to send crafted scripts to a victim. If the victim has an active session when the crafted script gets executed, the threat actor could compromise information in victims session, and gain access to some sensitive information also.

Affected products

• SAP NetWeaver Development Infrastructure: version 7.31 only; version 7.40 only; version 7.50 only

Published 2021-09-15. Last modified 2026-06-17.