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Harmonyos CVE-2025-48903

| EUVD-2025-17088 HIGH
Permissions, Privileges, and Access Controls (CWE-264)
2025-06-06 psirt@huawei.com
7.8
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
EUVD ID Assigned
Mar 14, 2026 - 18:10 euvd
EUVD-2025-17088
Analysis Generated
Mar 14, 2026 - 18:10 vuln.today
CVE Published
Jun 06, 2025 - 07:15 nvd
HIGH 7.8

DescriptionNVD

Permission bypass vulnerability in the media library module Impact: Successful exploitation of this vulnerability may affect availability.

AnalysisAI

Permission bypass vulnerability in the media library module that allows unauthenticated local attackers to escalate privileges and gain unauthorized access to sensitive functionality. The vulnerability has a CVSS score of 7.8 (High) and impacts confidentiality, integrity, and availability. While the description indicates only availability impact, the CVSS vector reveals high C/I/A ratings, suggesting attackers can read, modify, or delete protected media assets and potentially disrupt service availability.

Technical ContextAI

This vulnerability is classified as CWE-264 (Use of Improper Authentication), indicating a fundamental flaw in the media library module's permission validation mechanism. The module likely fails to properly authenticate or authorize user requests before granting access to protected media resources. The CVSS vector (AV:L/AC:L/PR:N/UI:R) indicates this is a local attack vector requiring user interaction but no privileges, suggesting the vulnerability may be triggered through social engineering or by convincing a user to open a malicious file or link. The root cause involves improper access control checks when processing media library operations, allowing bypass of intended permission boundaries. Without specific CPE data provided, the affected component is generically identified as a media library module within an unspecified application or platform.

RemediationAI

Without vendor-specific patch information provided in the source data, remediation should follow this general approach: (1) Identify all instances of affected media library modules in your environment; (2) Contact the vendor for patch availability and timelines; (3) Apply available security patches immediately to all affected versions; (4) If patches are unavailable, implement access controls restricting local user access to the media library module; (5) Implement file integrity monitoring on media storage directories; (6) Audit permission settings on all media assets to ensure proper access controls; (7) Monitor user activity logs for unauthorized media access attempts. Organizations should subscribe to vendor security bulletins for CVE-2025-48903 patch availability notifications.

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CVE-2025-48903 vulnerability details – vuln.today

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