CVE-2018-10210 in Enterprise File Sharing
Summary
by MITRE
An issue was discovered in Vaultize Enterprise File Sharing 17.05.31. Enumeration of users is possible through the password-reset feature.
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Analysis
by VulDB Data Team • 05/30/2025
The vulnerability identified as CVE-2018-10210 represents a critical information disclosure flaw within Vaultize Enterprise File Sharing version 17.05.31. This security weakness stems from an improperly implemented password reset mechanism that inadvertently allows unauthorized enumeration of user accounts within the system. The flaw exists in the authentication and account recovery process where the application provides different response behaviors based on whether a user account exists in the system. When a password reset request is submitted, the system returns distinct error messages or response times that can be exploited by attackers to determine which email addresses or usernames are registered within the Vaultize environment.
The technical implementation of this vulnerability aligns with CWE-200, which describes the improper exposure of sensitive information through enumeration attacks. The flaw operates by exploiting the lack of consistent error handling during the password reset workflow. When an attacker submits a password reset request for a non-existent user account, the system typically returns a generic error message indicating that the reset request was processed. However, when the request is made for an existing user account, the system may return a different response or process the request with slightly different timing characteristics. This differential behavior creates a side-channel attack vector that enables attackers to systematically test email addresses or usernames to identify valid accounts within the organization's user directory.
The operational impact of this vulnerability extends beyond simple account enumeration as it provides attackers with a foundational foothold for subsequent attacks within the Vaultize environment. Once valid user accounts are identified, attackers can potentially leverage this information for credential stuffing attacks against other services, social engineering campaigns, or more sophisticated exploitation attempts targeting the specific Vaultize installation. The vulnerability particularly affects organizations that rely heavily on Vaultize for enterprise file sharing and collaboration, as the exposed user enumeration capability can lead to unauthorized access to sensitive corporate data and intellectual property. Security teams may also face challenges in detecting this attack vector since it operates as a passive reconnaissance technique that does not immediately trigger traditional intrusion detection systems.
Organizations can mitigate this vulnerability through several remediation approaches that focus on implementing consistent error handling and response behaviors during authentication processes. The primary fix involves modifying the password reset functionality to return identical responses regardless of whether the target account exists in the system, eliminating any timing differences or distinct error messages that could reveal account information. This approach aligns with the principle of least information disclosure and follows security best practices outlined in the OWASP Authentication Cheat Sheet. Additionally, implementing rate limiting and account lockout mechanisms can further reduce the effectiveness of automated enumeration attempts, while logging and monitoring these specific attack patterns can help detect and respond to exploitation attempts. The mitigation strategy should also consider implementing multi-factor authentication for privileged accounts and regular security assessments to identify similar vulnerabilities in other authentication mechanisms within the enterprise infrastructure.