CVE-2003-0494 in Forums 2000
Summary
by MITRE
password.asp in Snitz Forums 3.4.03 and earlier allows remote attackers to reset passwords and gain privileges as other users by via a direct request to password.asp with a modified member id.
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Analysis
by VulDB Data Team • 08/13/2025
The vulnerability identified as CVE-2003-0494 represents a critical authentication flaw in Snitz Forums version 3.4.03 and earlier systems. This issue stems from inadequate input validation and improper access control mechanisms within the password.asp component, which serves as the password reset functionality for the forum platform. The vulnerability allows remote attackers to manipulate the member identification parameter through direct web requests, effectively bypassing normal authentication procedures and gaining unauthorized access to other users' accounts.
The technical implementation of this vulnerability resides in the lack of proper authorization checks within the password.asp script. When a user requests a password reset, the system should verify that the requesting user has legitimate authorization to modify the target account's credentials. However, the flawed implementation accepts any member ID parameter without validating whether the authenticated user possesses the necessary privileges to reset passwords for accounts other than their own. This design flaw directly maps to CWE-285, which addresses insufficient authorization issues in authentication mechanisms, and represents a classic case of privilege escalation through parameter manipulation.
The operational impact of this vulnerability extends beyond simple unauthorized access to account compromise. Attackers can leverage this weakness to assume the identities of other forum users, potentially accessing private messages, personal information, and posting content under false pretenses. This capability enables malicious actors to conduct social engineering attacks, spread misinformation, or engage in fraudulent activities using legitimate user credentials. The vulnerability particularly affects forums with multiple users who may have varying levels of access privileges, making it a significant concern for organizations relying on such platforms for communication and collaboration.
From a cybersecurity perspective, this vulnerability aligns with ATT&CK technique T1078 which covers valid accounts and credential access. The flaw enables adversaries to gain access to legitimate accounts without requiring knowledge of actual passwords, making detection more challenging for security monitoring systems. Organizations should implement immediate mitigations including patching the vulnerable software to version 3.4.04 or later, implementing proper input validation for all user identification parameters, and establishing robust access control mechanisms. Additionally, network segmentation and monitoring of unusual authentication patterns can help detect potential exploitation attempts. The vulnerability underscores the critical importance of validating user privileges and implementing proper authorization checks in all web application components, particularly those handling sensitive user account modifications.