CVE-2021-27631

Summary

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 Software

VendorProductVersion RangeStatus
SAP SESAP NetWeaver ABAP Server and ABAP Platform (Enqueue Server)< KRNL32NUC - 7.22affected
SAP SESAP NetWeaver ABAP Server and ABAP Platform (Enqueue Server)< 7.22EXTaffected
SAP SESAP NetWeaver ABAP Server and ABAP Platform (Enqueue Server)< KRNL64NUC - 7.22affected
SAP SESAP NetWeaver ABAP Server and ABAP Platform (Enqueue Server)< 7.49affected
SAP SESAP NetWeaver ABAP Server and ABAP Platform (Enqueue Server)< KRNL64UC - 8.04affected
SAP SESAP NetWeaver ABAP Server and ABAP Platform (Enqueue Server)< 7.22affected
SAP SESAP NetWeaver ABAP Server and ABAP Platform (Enqueue Server)< 7.53affected
SAP SESAP NetWeaver ABAP Server and ABAP Platform (Enqueue Server)< 7.73affected
SAP SESAP NetWeaver ABAP Server and ABAP Platform (Enqueue Server)< KERNEL - 7.22affected
SAP SESAP NetWeaver ABAP Server and ABAP Platform (Enqueue Server)< 8.04affected

Weaknesses

  • CWE-476: Improper Input Validation (CWE-476)

ADP Enrichment

CVE Program Container

Additional References

References