CVE-2021-46166 in Desktop Central
Summary
by MITRE • 01/10/2022
Zoho ManageEngine Desktop Central before 10.0.662 allows authenticated users to obtain sensitive information from the database by visiting the Reports page.
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Analysis
by VulDB Data Team • 01/13/2022
The vulnerability identified as CVE-2021-46166 affects Zoho ManageEngine Desktop Central versions prior to 10.0.662, representing a significant information disclosure weakness that could enable authenticated attackers to access sensitive database information. This issue stems from inadequate input validation and access control mechanisms within the Reports page functionality of the desktop management solution. The vulnerability allows any authenticated user to exploit a path traversal or direct database access flaw that bypasses normal security boundaries, potentially exposing confidential data including user credentials, system configurations, and other sensitive operational information. The flaw resides in the application's handling of report generation requests, where insufficient sanitization of user inputs permits unauthorized data retrieval from the underlying database layer. This represents a critical security gap that violates fundamental principles of least privilege and data protection, as legitimate users should not be able to access information beyond their authorized scope. The vulnerability aligns with CWE-200, which specifically addresses information exposure, and demonstrates poor input validation practices that could enable attackers to extract sensitive data from the system's database components. Organizations utilizing Desktop Central may face severe operational consequences including compliance violations, data breaches, and potential regulatory penalties when this vulnerability is exploited by malicious actors. The attack vector requires only authentication to the system, making it particularly dangerous as it can be leveraged by insiders or compromised legitimate users to gain access to sensitive information.
The technical exploitation of this vulnerability occurs through the Reports page functionality where authenticated users can manipulate input parameters to retrieve database records that should be restricted to authorized personnel only. This type of vulnerability typically arises from improper implementation of access controls or insufficient validation of user inputs within web applications. The flaw essentially allows for unauthorized data retrieval by constructing specific report requests that bypass normal security checks, potentially exposing database schema information, user account details, system configurations, and other sensitive operational data. The vulnerability represents a failure in the application's security architecture where the principle of least privilege is not properly enforced, allowing users to access information that should remain protected within the database. From an operational perspective, this vulnerability can result in significant damage to an organization's security posture, as it provides attackers with access to potentially sensitive information that could be used for further attacks or to compromise additional systems. The impact extends beyond simple data exposure, as the leaked information could include system configurations, user credentials, or other operational details that facilitate more sophisticated attacks. This vulnerability also demonstrates weaknesses in the application's input validation and access control mechanisms, which are fundamental security requirements outlined in various security frameworks and standards.
Organizations should immediately implement mitigations including upgrading to Zoho ManageEngine Desktop Central version 10.0.662 or later, which contains the necessary patches to address this vulnerability. The upgrade process should be prioritized as a critical security measure to prevent potential exploitation by threat actors who may be actively targeting this specific vulnerability. Additional defensive measures should include implementing network segmentation to limit access to the Desktop Central application, enforcing strict access controls and monitoring user activities on the Reports page, and conducting thorough security assessments to identify any potential exploitation attempts. Organizations should also consider implementing database activity monitoring solutions to detect unauthorized access attempts and ensure that proper audit logging is enabled to track all report generation activities. The vulnerability highlights the importance of maintaining up-to-date security patches and implementing proper security monitoring procedures as recommended by the ATT&CK framework's privilege escalation and credential access tactics. Security teams should also conduct regular vulnerability assessments and penetration testing to identify similar weaknesses in other applications within their environment, particularly focusing on input validation and access control mechanisms. The remediation process should include comprehensive testing to ensure that the patch does not introduce any regressions in functionality while effectively addressing the information disclosure vulnerability. Organizations should also review their incident response procedures to ensure they can quickly detect and respond to any exploitation attempts targeting this vulnerability.