CVE-2025-21059 in Health
Summary
by MITRE • 10/10/2025
Improper authorization in Samsung Health prior to version 6.30.5.105 allows local attackers to access data in Samsung Health.
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Analysis
by VulDB Data Team • 10/29/2025
The vulnerability CVE-2025-21059 represents a critical authorization flaw in Samsung Health applications prior to version 6.30.5.105, exposing sensitive health data to local attackers through improper access control mechanisms. This issue stems from insufficient validation of user permissions and authentication checks within the health application's data access layer, creating a pathway for malicious actors to bypass intended security boundaries and obtain unauthorized access to personal health information. The vulnerability specifically affects the Android implementation of Samsung Health, where local privilege escalation opportunities exist due to inadequate sandboxing controls and insufficient data protection measures.
The technical exploitation of this vulnerability occurs through the manipulation of application permissions and data access patterns that should normally be restricted to authorized users only. Attackers can leverage this weakness to read, modify, or extract health data without proper authentication, potentially accessing sensitive information such as medical history, activity tracking data, biometric measurements, and other personal health records. The flaw operates at the application level where the health data storage and retrieval mechanisms fail to properly enforce access controls, allowing unauthorized processes to interact with protected data structures. This represents a direct violation of the principle of least privilege and demonstrates poor implementation of mandatory access controls within the application framework.
The operational impact of CVE-2025-21059 extends beyond simple data exposure, as it compromises the fundamental trust users place in health applications to protect their sensitive personal information. Local attackers who exploit this vulnerability can access comprehensive health profiles that may include chronic condition data, medication histories, fitness metrics, and other personally identifiable health information. The implications are particularly severe given that health data often contains sensitive personal details that could be used for identity theft, insurance fraud, or other malicious activities. This vulnerability undermines the security model of the Samsung Health platform and creates opportunities for attackers to conduct targeted data breaches that could affect thousands of users.
Security mitigations for CVE-2025-21059 require immediate deployment of the patched Samsung Health version 6.30.5.105, which addresses the authorization flaws through enhanced access control mechanisms and improved data protection measures. Organizations should implement comprehensive monitoring of application access patterns and establish proper incident response procedures to detect potential exploitation attempts. The fix typically involves strengthening permission checking routines, implementing proper data isolation between application components, and ensuring that all data access operations undergo rigorous authentication verification. This vulnerability aligns with CWE-284, which describes improper access control, and maps to attack techniques in the MITRE ATT&CK framework under the privilege escalation and credential access categories, specifically targeting the use of local applications to gain unauthorized access to protected data resources.