Vulnerability · Published Jun 9, 2021 · Assigned by sap
CVE-2021-27631
High 7.5
In plain English
A high-severity null pointer dereference in SAP NetWeaver ABAP Server and ABAP Platform (Enqueue Server) from SAP SE. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 75% of all known vulnerabilities).
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| SAP SE | SAP NetWeaver ABAP Server and ABAP Platform (Enqueue Server) | < KRNL32NUC - 7.22< 7.22EXT< KRNL64NUC - 7.22< 7.49< KRNL64UC - 8.04< 7.22< 7.53< 7.73 |
Weakness: CWE-476 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H