CVE-2000-0109 in MultiCSP
Summary
by MITRE
The mcsp Client Site Processor system (MultiCSP) in Standard and Poor's ComStock is installed with several accounts that have no passwords or easily guessable default passwords.
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Analysis
by VulDB Data Team • 04/20/2026
The vulnerability described in CVE-2000-0109 represents a critical authentication weakness within the MultiCSP Client Site Processor system deployed by Standard and Poor's ComStock software. This flaw specifically targets the authentication mechanisms of a financial data processing system that was widely used in the early 2000s for managing commodity and financial market information. The vulnerability stems from poor security configuration practices where default accounts were either left without passwords or configured with easily guessable default credentials that posed minimal security barriers to unauthorized access.
The technical implementation of this vulnerability involves the installation of multiple user accounts within the MultiCSP system that lack proper authentication protection mechanisms. These accounts typically contain default usernames and passwords that are either completely absent or consist of commonly used values such as 'admin', 'user', or sequential number combinations. The flaw directly violates fundamental security principles outlined in the Common Weakness Enumeration framework under CWE-521 Weak Password Requirements, where password strength requirements are either missing or insufficient to prevent unauthorized access. This vulnerability represents a classic case of insecure default configuration that allows attackers to gain immediate access to sensitive financial data processing systems without requiring any sophisticated attack techniques.
The operational impact of this vulnerability extends beyond simple unauthorized access to encompass potential financial data breaches and system compromise within the financial services sector. Given that ComStock was used for commodity and financial market data processing, unauthorized access could lead to exposure of sensitive trading information, market manipulation opportunities, and potential regulatory violations. The vulnerability creates a persistent security risk that remains exploitable as long as the default accounts remain enabled and accessible, making it particularly dangerous for systems that operate in regulated environments where data integrity and confidentiality are paramount. This weakness directly aligns with tactics described in the MITRE ATT&CK framework under T1078 Valid Accounts, where adversaries leverage legitimate credentials to establish persistent access to target systems.
Mitigation strategies for this vulnerability require immediate administrative action to address the default account configuration issues. System administrators should disable or delete any accounts that are not actively required for system operations, particularly those with weak or no passwords. The remediation process must include implementing strong password policies that enforce complexity requirements, regular password rotation, and account access reviews to ensure that only authorized personnel maintain access to critical systems. Organizations should also conduct comprehensive security assessments to identify any other systems with similar default credential configurations, as this vulnerability type often indicates broader security misconfigurations within software deployments. The remediation efforts should align with industry best practices outlined in standards such as NIST SP 800-53 and ISO/IEC 27001, which emphasize the importance of proper access control configuration and regular security audits to prevent unauthorized system access through weak authentication mechanisms.