CVE-2025-43922 in FileWave
Summary
by MITRE • 04/21/2025
The FileWave Windows client before 16.0.0, in some non-default configurations, allows an unprivileged local user to escalate privileges to SYSTEM.
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Analysis
by VulDB Data Team • 05/25/2025
The vulnerability identified as CVE-2025-43922 affects the FileWave Windows client software version 16.0.0 and earlier, presenting a critical privilege escalation flaw that can be exploited by unprivileged local users. This issue specifically manifests in certain non-default configuration scenarios, making it particularly concerning as it may not be immediately apparent during standard security assessments. The vulnerability allows a user with minimal privileges to elevate their access level to the highest system level, commonly referred to as SYSTEM privileges, which provides complete control over the affected Windows system.
The technical root cause of this privilege escalation vulnerability stems from improper access control mechanisms within the FileWave client implementation. When deployed in non-default configurations, the software fails to properly validate user permissions during critical operations that should only be accessible to privileged system accounts. This flaw likely involves insufficient input validation or inadequate privilege checking routines that permit unauthorized users to invoke system-level functions through legitimate client interfaces. The vulnerability represents a classic case of insufficient privilege separation, where the application does not adequately enforce the principle of least privilege that is fundamental to secure system design.
From an operational impact perspective, this vulnerability creates a severe security risk for organizations relying on FileWave for device management. An attacker who gains access to any user account on a vulnerable system can potentially compromise the entire network infrastructure by escalating to SYSTEM level access. This elevated privilege level allows full system control, including the ability to install malicious software, modify system configurations, access all user data, and establish persistent backdoors. The impact extends beyond individual compromised machines to potentially affect entire enterprise networks, especially in environments where FileWave clients are widely deployed and managed centrally. The vulnerability's occurrence in non-default configurations means that organizations may not immediately detect it during routine security audits, creating a window of opportunity for attackers to exploit the flaw undetected.
Organizations should immediately update their FileWave Windows clients to version 16.0.0 or later to remediate this vulnerability. Security teams should conduct comprehensive audits of all FileWave client deployments to identify systems running vulnerable versions and verify their configuration settings. The mitigation strategy should include implementing proper access controls and monitoring for unauthorized privilege escalation attempts. This vulnerability aligns with CWE-276, which addresses improper privilege management, and maps to ATT&CK technique T1068, which covers privilege escalation through local exploits. Additionally, organizations should consider implementing network segmentation and monitoring solutions to detect suspicious activities that may indicate exploitation attempts. The security community should also monitor for any potential related vulnerabilities that may stem from similar privilege management flaws in other enterprise management tools.