CVE-2021-27630

SAP NetWeaver ABAP Server and ABAP Platform (Enqueue Server), versions - KRNL32NUC - 7.22,7.22EXT, KRNL64NUC - 7.22,7.22EXT,7.49, KRNL64UC - 8.04,7.22,7.22EXT,7.49,7.53,7.73, KERNEL - 7.22,8.04,7.49,7.53,7.73, allows an unauthenticated attacker without specific knowledge of the system to send a specially crafted packet over a network which will trigger an internal error in the system due to improper input validation in method EnqConvUniToSrvReq() causing the system to crash and rendering it unavailable. In this attack, no data in the system can be viewed or modified.

• CWE-476
• CWE-476

• https://launchpad.support.sap.com/#/notes/3020104Permissions Required, Vendor Advisory
• https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999Broken Link, Vendor Advisory
• https://launchpad.support.sap.com/#/notes/3020104Permissions Required, Vendor Advisory
• https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999Broken Link, Vendor Advisory

Published

Jun 9, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

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