CVE-2021-27633

Summary

SAP NetWeaver AS for ABAP (RFC Gateway), 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 - 7.22,8.04,7.49,7.53,7.73,7.77,7.81,7.82,7.83, 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 ThCPIC() 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 AS for ABAP (RFC Gateway)< KRNL32NUC - 7.22affected
SAP SESAP NetWeaver AS for ABAP (RFC Gateway)< 7.22EXTaffected
SAP SESAP NetWeaver AS for ABAP (RFC Gateway)< KRNL64NUC - 7.22affected
SAP SESAP NetWeaver AS for ABAP (RFC Gateway)< 7.49affected
SAP SESAP NetWeaver AS for ABAP (RFC Gateway)< KRNL64UC - 8.04affected
SAP SESAP NetWeaver AS for ABAP (RFC Gateway)< 7.22affected
SAP SESAP NetWeaver AS for ABAP (RFC Gateway)< 7.53affected
SAP SESAP NetWeaver AS for ABAP (RFC Gateway)< 7.73affected
SAP SESAP NetWeaver AS for ABAP (RFC Gateway)< KERNEL - 7.22affected
SAP SESAP NetWeaver AS for ABAP (RFC Gateway)< 8.04affected
SAP SESAP NetWeaver AS for ABAP (RFC Gateway)< 7.77affected
SAP SESAP NetWeaver AS for ABAP (RFC Gateway)< 7.81affected
SAP SESAP NetWeaver AS for ABAP (RFC Gateway)< 7.82affected
SAP SESAP NetWeaver AS for ABAP (RFC Gateway)< 7.83affected

Weaknesses

  • CWE-787: Improper Input Validation (CWE-787)

ADP Enrichment

CVE Program Container

Additional References

References