Lockout bypass using the RFC_SYSTEM_INFO function module, SAP security note 604578

Description

The RFC_SYSTEM_INFO function module returns information stating whether the logon data used was correct.

Available fix and Supported packages

SAP_BASIS | 46B | 46D
SAP_BASIS | 610 | 620
SAP_BASIS 46B | SAPKB46B52 |
SAP_BASIS 610 | SAPKB61032 |
SAP_BASIS 46C | SAPKB46C44 |
SAP_BASIS 46D | SAPKB46D33 |
SAP_BASIS 620 | SAPKB62021 |

Affected component

CVSS

Score: 0

PoC

Detailed vulnerability information added to RedRays Security Platform. Contact [email protected] for details.

URL

https://launchpad.support.sap.com/#/notes/604578

TAGS

#VulnerabilitiesInternet-Security-Systems-“sap-sapinfo-lockout-bypass”Security-Focus-Online-“SAP-R/3-sapinfo-RFC-API-Account-Locking-Weakness””SAP-R/3
#account-locking-and-RFC-SDK”

Explore More

SAP Security Patch Day – March 2026

March 10, 2026

SAP has released its March 2026 security patch package containing 15 security notes addressing vulnerabilities across enterprise SAP environments. This release includes

SAP Security Patch Day February 2026

February 10, 2026

SAP has released its February 2026 security patch package containing 27 security notes addressing critical vulnerabilities across enterprise SAP environments. This release

Top 10 ABAP Code Vulnerabilities and Common S/4HANA Migration Mistakes

January 28, 2026

SAP SECURITY ARTICLE When companies migrate from SAP ECC to S/4HANA, they’re not just upgrading their system-they’re often carrying decades of security

Strategic Partnership – RedRays and Protiviti Join Forces to Secure SAP Landscapes

January 20, 2026

January 20, 2026 #SAPSecurity #RedRays #Protiviti #Partnership #CyberSecurity We are thrilled to officially announce the launch of a strategic partnership between RedRays

Vahagn Vardanian