CVE-2021-44582 in Money Transfer Management System
Summary
by MITRE • 06/10/2022
A Privilege Escalation vulnerability exists in Sourcecodester Money Transfer Management System 1.0, which allows a remote malicious user to gain elevated privileges to the Admin role via any URL.
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Analysis
by VulDB Data Team • 06/15/2022
The CVE-2021-44582 vulnerability represents a critical privilege escalation flaw within the Sourcecodester Money Transfer Management System version 1.0, demonstrating a fundamental security weakness in access control mechanisms. This vulnerability exposes the system to remote exploitation where unauthorized attackers can manipulate authentication flows to assume administrative privileges without proper authorization. The flaw specifically manifests through any URL within the application's interface, indicating a systemic issue rather than a localized weakness. The vulnerability's classification as a privilege escalation issue places it within the purview of CWE-284, which addresses improper access control, and aligns with ATT&CK technique T1078 for valid accounts and T1484 for abuse of privileges. The impact extends beyond simple unauthorized access as it allows full administrative control over the money transfer system, potentially enabling financial fraud, data manipulation, and complete system compromise.
The technical implementation of this vulnerability likely involves improper input validation or session management flaws that permit attackers to manipulate URL parameters or authentication tokens to bypass standard access controls. Attackers can exploit this weakness by crafting specific requests that either modify user roles directly or manipulate session state to elevate their privileges from regular user to administrator level. The fact that any URL can be leveraged suggests that the application lacks consistent access control checks throughout its interface, meaning that authentication verification occurs inconsistently or is entirely bypassed in certain paths. This type of vulnerability often stems from inadequate role-based access control (RBAC) implementation where the system fails to properly validate user permissions before executing administrative functions. The vulnerability's remote nature indicates that no local system access or physical presence is required, making it particularly dangerous as it can be exploited from anywhere on the internet.
The operational impact of CVE-2021-44582 is severe and multifaceted, particularly for financial systems handling money transfer operations. An attacker gaining administrative privileges can access all system data including customer financial information, transaction records, user credentials, and system configurations. This exposure creates significant risk for both the organization and its customers, potentially leading to financial losses, regulatory violations, and reputational damage. The vulnerability could enable attackers to manipulate transfer amounts, redirect funds, create fraudulent user accounts, or completely disable system operations. The money transfer system's nature makes this particularly dangerous as the attacker could potentially drain accounts, create artificial transactions, or alter payment processing workflows. Organizations may face compliance violations under financial regulations such as PCI DSS, GDPR, or local financial data protection laws, as unauthorized access to sensitive financial information constitutes serious regulatory breaches. The vulnerability also creates potential for cascading effects if the compromised system integrates with other financial services or databases.
Mitigation strategies for CVE-2021-44582 must address both immediate remediation and long-term security improvements. The most critical step involves implementing robust access control checks at every application endpoint, ensuring that all URLs properly validate user authentication and authorization before executing any administrative functions. Organizations should deploy comprehensive input validation mechanisms and implement proper session management with secure token handling to prevent parameter manipulation. The fix should include strengthening role-based access controls with consistent enforcement across all application interfaces, ensuring that privilege levels cannot be altered through URL manipulation. Security headers should be implemented to prevent common exploitation vectors, and regular security testing including penetration testing and code reviews should be conducted. Additionally, implementing multi-factor authentication for administrative accounts, logging all access attempts, and monitoring for suspicious privilege escalation activities can help detect and prevent exploitation attempts. Organizations should also consider implementing web application firewalls and regularly updating the system to address similar vulnerabilities. The remediation process should include thorough code auditing to identify and eliminate all similar access control bypass opportunities throughout the application, following security best practices outlined in frameworks such as OWASP Top Ten and NIST cybersecurity guidelines.