CVE-2025-46388 in MediaBrowser
Summary
by MITRE • 08/06/2025
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 08/06/2025
This vulnerability represents a critical exposure of sensitive information to unauthorized actors through improper access control mechanisms within the affected system. The issue manifests as an information disclosure flaw that allows malicious entities to access data that should remain restricted to authorized personnel only. Such vulnerabilities typically arise from inadequate validation of user permissions, insufficient input sanitization, or flawed authentication processes that fail to properly enforce access boundaries.
The technical implementation of this vulnerability stems from CWE-200 which specifically addresses the exposure of sensitive information to unauthorized actors. This weakness occurs when applications fail to adequately protect sensitive data from being accessed by individuals who lack proper authorization. The flaw may exist in various system components including database access layers, API endpoints, file systems, or network communications where sensitive information flows through without proper security controls. Attackers can exploit this vulnerability to gain access to confidential data such as user credentials, personal information, financial records, or proprietary business data that should remain protected.
From an operational perspective, the impact of this vulnerability extends beyond simple data theft to encompass potential regulatory compliance violations, reputational damage, and financial losses. Organizations may face significant penalties under data protection regulations such as gdpr, hipaa, or pci dss when sensitive information is exposed due to inadequate access controls. The vulnerability creates a persistent risk that can be exploited repeatedly until properly addressed, making it particularly dangerous for systems handling large volumes of sensitive data. Security incidents resulting from such exposure often require extensive forensic analysis, incident response activities, and potential legal consequences.
Mitigation strategies should focus on implementing robust access control mechanisms that align with established security frameworks and industry best practices. Organizations must ensure proper implementation of principle of least privilege concepts, where users only have access to resources necessary for their specific roles. The solution involves comprehensive input validation, proper authentication and authorization checks, and regular security testing including penetration testing and vulnerability assessments. Additionally, organizations should implement logging and monitoring systems to detect unauthorized access attempts and establish clear incident response procedures. This vulnerability aligns with several ATT&CK techniques including credential access and reconnaissance phases, making it essential for security teams to address the root cause through proper access control implementation and regular security auditing processes.