CVE-2025-29892 in Qsync Central
Summary
by MITRE • 06/06/2025
An SQL injection vulnerability has been reported to affect Qsync Central. If exploited, the vulnerability could allow remote attackers who have gained user access to execute unauthorized code or commands.
We have already fixed the vulnerability in the following version: Qsync Central 4.5.0.6 ( 2025/03/20 ) and later
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Analysis
by VulDB Data Team • 06/09/2025
The SQL injection vulnerability identified as CVE-2025-29892 represents a critical security flaw within Qsync Central software that could enable remote code execution when exploited by authenticated attackers. This vulnerability falls under the Common Weakness Enumeration category CWE-89 which specifically addresses SQL injection flaws where untrusted data is incorporated into SQL commands without proper sanitization or parameterization. The flaw exists in the application's handling of user-supplied input that is directly concatenated into database queries, creating an attack surface where malicious actors can manipulate database operations through carefully crafted input sequences.
The technical implementation of this vulnerability stems from insufficient input validation and sanitization mechanisms within Qsync Central's database interaction layers. When users with legitimate access credentials attempt to perform operations that involve database queries, the application fails to properly escape or parameterize user input before incorporating it into SQL command structures. This allows an attacker who has already established user-level access to inject malicious SQL payloads that can manipulate the underlying database or execute arbitrary commands on the server. The attack vector requires initial user authentication, making this a privilege escalation vulnerability rather than a purely remote attack, but it significantly amplifies the potential impact of compromised accounts.
From an operational perspective, the implications of this vulnerability extend beyond simple data compromise to include full system command execution capabilities. Attackers could leverage this flaw to extract sensitive information from the database, modify or delete critical data, or even establish persistent backdoors within the system. The vulnerability's impact is particularly concerning in enterprise environments where Qsync Central may serve as a central repository for critical business data and system configurations. The timing of the vulnerability disclosure coincides with the release of version 4.5.0.6 which incorporates the necessary security patches to prevent the injection attacks through proper input sanitization and parameterized query implementations.
Organizations utilizing Qsync Central must prioritize immediate remediation efforts to address this vulnerability and ensure all systems are updated to version 4.5.0.6 or later. The mitigation strategy should include comprehensive testing of the updated version in controlled environments before full deployment to verify that the patch does not introduce regressions in functionality. Security teams should also implement additional monitoring for unusual database access patterns and unauthorized command execution attempts that could indicate exploitation attempts. The vulnerability aligns with ATT&CK technique T1078 which covers valid accounts and T1041 which addresses data from network shared drives, suggesting that exploitation could potentially lead to broader system compromise through lateral movement and data exfiltration activities. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other applications within the organization's infrastructure, as SQL injection remains one of the most prevalent and dangerous classes of web application vulnerabilities.