CVE-2026-24319: SAP Business One Information Disclosure Flaw

CVE-2026-24319 Overview

CVE-2026-24319 is a Sensitive Data Exposure vulnerability affecting SAP Business One. The application writes sensitive information to memory dump files without proper obfuscation, potentially allowing attackers with local access to retrieve confidential data. This information could be leveraged to perform unauthorized operations within the SAP B1 environment, including modification of company data.

Critical Impact
Unauthorized access to unobfuscated sensitive data in memory dumps could enable attackers to compromise the SAP Business One environment, leading to data theft and unauthorized modification of company information.

Affected Products

SAP Business One

Discovery Timeline

2026-02-10 - CVE-2026-24319 published to NVD
2026-02-10 - Last updated in NVD database

Technical Details for CVE-2026-24319

Vulnerability Analysis

This vulnerability falls under CWE-316 (Cleartext Storage of Sensitive Information in Memory). SAP Business One fails to properly protect sensitive information when writing application memory dump files. When the application generates memory dumps—whether due to crashes, debugging operations, or administrative actions—sensitive data is stored in cleartext without any obfuscation or encryption mechanisms.

The vulnerability requires local access to the system and high privileges to exploit, along with some user interaction. However, once an attacker gains access to these memory dump files, they can extract sensitive credentials, session tokens, business data, or other confidential information that the SAP Business One application handles during runtime.

Root Cause

The root cause of this vulnerability is the lack of data sanitization and obfuscation routines when SAP Business One writes memory contents to dump files. The application does not implement memory scrubbing or encryption for sensitive data structures before they are persisted to disk as part of the dump file generation process. This results in credentials, API keys, business-critical data, and other sensitive information being written in plaintext to files that may be accessible to users with elevated privileges on the local system.

Attack Vector

The attack requires local access to a system running SAP Business One with sufficient privileges to access memory dump files. An attacker would follow this exploitation path:

Gain local access to a system where SAP Business One is installed
Locate memory dump files generated by the application (typically in system crash dump directories or application-specific locations)
Parse the dump files to extract sensitive information such as database credentials, session tokens, user passwords, or business data
Use the extracted credentials or data to perform unauthorized operations within the SAP Business One environment

The vulnerability is particularly concerning in environments where multiple administrators have access to the same systems, or where dump files are not properly secured or are backed up to less secure locations.

Detection Methods for CVE-2026-24319

Indicators of Compromise

Unusual access patterns to memory dump file directories
Unexpected dump file creation or access by non-standard processes
Evidence of dump file extraction or copying to external locations
Suspicious access to SAP Business One data following dump file access

Detection Strategies

Monitor file access events for memory dump directories associated with SAP Business One
Implement file integrity monitoring on crash dump and memory dump storage locations
Configure endpoint detection to alert on dump file parsing tools or memory analysis utilities
Review access logs for privileged users accessing dump file locations

Monitoring Recommendations

Enable detailed audit logging for file system access to SAP Business One installation directories
Configure SIEM alerts for suspicious dump file access patterns
Monitor for unusual SAP Business One authentication attempts that may indicate credential misuse
Track privileged user activity on systems hosting SAP Business One

How to Mitigate CVE-2026-24319

Immediate Actions Required

Apply the security patch referenced in SAP Note #3679346
Restrict access to memory dump file locations to only essential personnel
Review and secure existing memory dump files that may contain sensitive information
Audit privileged user access to systems running SAP Business One

Patch Information

SAP has released a security update to address this vulnerability. Administrators should consult SAP Note #3679346 for specific patch details and installation instructions. Additional information is available on the SAP Security Patch Day page.

Workarounds

Implement strict access controls on directories where memory dump files are stored
Configure the operating system to automatically encrypt or secure crash dump files
Disable automatic memory dump generation if not required for troubleshooting
Regularly purge old memory dump files and implement automated cleanup policies
Consider implementing additional monitoring on dump file access until the patch is applied