CVE-2026-27671

Summary

Due to improper RFC protocol validation in the SAP Kernel used by the Application Server ABAP of SAP NetWeaver and ABAP Platform, an unauthenticated attacker can send a crafted RFC request that exploits logical errors in memory management, leading to memory corruption. This could lead to a high impact on the confidentiality, integrity, and availability of the application.

Affected Software

VendorProductVersion RangeStatus
SAP_SESAP NetWeaver AS ABAP and ABAP PlatformKRNL64NUC 7.22affected
SAP_SESAP NetWeaver AS ABAP and ABAP Platform7.22EXTaffected
SAP_SESAP NetWeaver AS ABAP and ABAP PlatformKRNL64UC 7.22affected
SAP_SESAP NetWeaver AS ABAP and ABAP Platform722EXTaffected
SAP_SESAP NetWeaver AS ABAP and ABAP Platform7.53affected
SAP_SESAP NetWeaver AS ABAP and ABAP PlatformKERNEL 7.22affected
SAP_SESAP NetWeaver AS ABAP and ABAP Platform7.54affected
SAP_SESAP NetWeaver AS ABAP and ABAP Platform7.77affected
SAP_SESAP NetWeaver AS ABAP and ABAP Platform7.89affected
SAP_SESAP NetWeaver AS ABAP and ABAP Platform7.93affected
SAP_SESAP NetWeaver AS ABAP and ABAP Platform9.16affected
SAP_SESAP NetWeaver AS ABAP and ABAP Platform9.18affected
SAP_SESAP NetWeaver AS ABAP and ABAP Platform91.9affected

Weaknesses

  • CWE-121: CWE-121: Stack-based Buffer Overflow

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: total

References