CVE-2023-31403: Improper Access Control vulnerability in SAP Business One product installation

Severity: high (CVSS 8.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-11-14 · updated 2026-06-17
Weakness: CWE-863

Description

SAP Business One installation - version 10.0, does not perform proper authentication and authorization checks for SMB shared folder. As a result, any malicious user can read and write to the SMB shared folder. Additionally, the files in the folder can be executed or be used by the installation process leading to considerable impact on confidentiality, integrity and availability.

Affected products

SAP SE SAP Business One: 10.0

References

https://me.sap.com/notes/3355658
https://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html
https://me.sap.com/notes/3355658
https://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html

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