Overview
In the ever-evolving world of cybersecurity, new vulnerabilities are discovered regularly, posing significant threats to system integrity and data confidentiality. CVE-2025-30448 is one such vulnerability. Primarily affecting multiple versions of Apple’s operating systems, including macOS Sonoma, iPadOS, iOS, visionOS, macOS Ventura, and macOS Sequoia, this vulnerability allows a potential attacker to enable sharing of an iCloud folder without any form of authentication. This could lead to unauthorized system access and potential data leakage, posing a significant risk to users and system administrators alike.
Vulnerability Summary
CVE ID: CVE-2025-30448
Severity: Critical (CVSS: 9.1)
Attack Vector: Remote
Privileges Required: None
User Interaction: None
Impact: Unauthorized access, potential system compromise, and data leakage.
Affected Products
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Product | Affected Versions
macOS Sonoma | 14.7.6
iPadOS | 17.7.7, 18.5
iOS | 18.5
visionOS | 2.5
macOS Ventura | 13.7.6
macOS Sequoia | 15.4
How the Exploit Works
The CVE-2025-30448 vulnerability works by exploiting a lack of proper entitlement checks within the affected operating systems. This omission allows an attacker to remotely enable the sharing option of an iCloud folder without needing any form of authentication. Once the sharing is enabled, the attacker could potentially access and exfiltrate sensitive data stored within the shared iCloud folder.
Conceptual Example Code
While no real-world exploit code is available, a hypothetical exploitation attempt could conceptually look something like this:
POST /icloud/enable-sharing HTTP/1.1
Host: icloud.example.com
Content-Type: application/json
{ "folder_id": "<folder_id>", "enable_sharing": true }In this conceptual example, the attacker sends a POST request to the iCloud’s sharing endpoint, specifying the ID of the target folder and setting the “enable_sharing” parameter to true.
Please remember, this is a hypothetical example and is not based on actual exploit code. It’s designed to illustrate the general concept of the vulnerability.