CVE-2025-4037 in ATM Banking
Summary
by MITRE • 04/29/2025
A vulnerability was found in code-projects ATM Banking 1.0. It has been classified as critical. Affected is the function moneyDeposit/moneyWithdraw. The manipulation leads to business logic errors. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.
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Analysis
by VulDB Data Team • 10/23/2025
The vulnerability identified as CVE-2025-4037 represents a critical business logic flaw within the code-projects ATM Banking 1.0 application, specifically affecting the moneyDeposit and moneyWithdraw functions. This classification indicates the severity of the issue and its potential to cause significant financial harm to users and institutions relying on the system. The vulnerability's critical nature stems from its ability to manipulate core banking operations through business logic errors that could result in unauthorized financial transactions or account manipulation.
The technical flaw manifests in the improper validation and processing of financial transactions within the ATM banking system. When users attempt to perform deposit or withdrawal operations, the system fails to properly verify transaction parameters and account states, allowing for manipulation of the expected business flow. This business logic error creates opportunities for attackers to bypass normal transaction processing rules and execute unauthorized operations. The vulnerability specifically targets the moneyDeposit/moneyWithdraw functions, suggesting that the issue lies in how these core banking operations validate inputs, check account balances, or update transaction records.
The operational impact of this vulnerability is substantial given that local access is required to exploit the flaw, indicating that attackers must have physical or network-level access to the system to leverage the vulnerability. However, the fact that the exploit has been disclosed to the public means that threat actors can now potentially develop or acquire tools to exploit this weakness. This disclosure significantly increases the risk profile as it removes the element of sophistication required for exploitation, making the vulnerability accessible to a broader range of malicious actors. The local access requirement suggests that the attack vector may involve compromised system credentials, insider threats, or physical access to ATM terminals or network infrastructure.
The business logic error creates potential scenarios where unauthorized funds could be deposited into accounts or withdrawn from accounts without proper authorization. This type of vulnerability directly impacts the integrity and availability of financial services, potentially leading to financial losses for both end-users and financial institutions. The attack surface is particularly concerning given that ATM systems are critical infrastructure components in financial ecosystems, and vulnerabilities in such systems can have cascading effects on broader financial operations. From a cybersecurity perspective, this vulnerability aligns with CWE-840 business logic flaws and represents a significant risk to the CIA triad, particularly affecting confidentiality, integrity, and availability of banking services.
Mitigation strategies should focus on implementing robust input validation and transaction state verification within the moneyDeposit and moneyWithdraw functions. Security measures must include proper authentication checks, transaction parameter validation, and comprehensive audit logging to detect unauthorized activities. Organizations should implement network segmentation to limit local access to critical systems and establish strict access controls for system administrators and maintenance personnel. The implementation of proper business logic validation frameworks and regular security testing of financial transaction processes should be prioritized to prevent similar vulnerabilities from emerging. Additionally, organizations should consider deploying intrusion detection systems to monitor for suspicious transaction patterns and establish incident response procedures specifically tailored to address financial transaction manipulation attacks. The vulnerability highlights the importance of applying security controls throughout the software development lifecycle and demonstrates the critical need for regular security assessments of financial applications to prevent exploitation of business logic flaws that can have severe financial consequences.