CVE-2025-30448
📋 TL;DR
This vulnerability allows an attacker to enable iCloud folder sharing without proper authentication. It affects multiple Apple operating systems including macOS, iOS, iPadOS, and visionOS. Users with affected versions who use iCloud folder sharing are at risk.
💻 Affected Systems
- macOS
- iOS
- iPadOS
- visionOS
📦 What is this software?
Ipados by Apple
Ipados by Apple
Macos by Apple
macOS is Apple's desktop and laptop operating system powering Mac computers used by millions of professionals, developers, creative professionals, and enterprise users worldwide. Built on a Unix foundation with the Darwin kernel and modern Cocoa frameworks, macOS delivers a seamless ecosystem integr...
Learn more about Macos →Macos by Apple
macOS is Apple's desktop and laptop operating system powering Mac computers used by millions of professionals, developers, creative professionals, and enterprise users worldwide. Built on a Unix foundation with the Darwin kernel and modern Cocoa frameworks, macOS delivers a seamless ecosystem integr...
Learn more about Macos →Macos by Apple
macOS is Apple's desktop and laptop operating system powering Mac computers used by millions of professionals, developers, creative professionals, and enterprise users worldwide. Built on a Unix foundation with the Darwin kernel and modern Cocoa frameworks, macOS delivers a seamless ecosystem integr...
Learn more about Macos →⚠️ Risk & Real-World Impact
Worst Case
Unauthorized access to sensitive iCloud folders, potentially exposing confidential documents, photos, or other private data to attackers.
Likely Case
Unauthorized sharing of iCloud folders, potentially exposing personal or business documents to unintended recipients.
If Mitigated
Limited impact if proper access controls and monitoring are in place, though unauthorized sharing could still occur.
🎯 Exploit Status
The vulnerability involves bypassing entitlement checks, suggesting relatively straightforward exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: macOS Sonoma 14.7.6, iPadOS 17.7.7, iOS 18.5 and iPadOS 18.5, visionOS 2.5, macOS Ventura 13.7.6, macOS Sequoia 15.4
Vendor Advisory: https://support.apple.com/en-us/122373
Restart Required: Yes
Instructions:
1. Go to Settings > General > Software Update. 2. Download and install the latest update for your device. 3. Restart your device after installation completes.
🔧 Temporary Workarounds
Disable iCloud Folder Sharing
allTemporarily disable iCloud folder sharing to prevent exploitation.
🧯 If You Can't Patch
- Disable iCloud folder sharing on all affected devices.
- Implement strict access controls and monitor for unauthorized folder sharing activities.
🔍 How to Verify
Check if Vulnerable:
Check your device's operating system version against the affected versions listed above.Check Version:
On macOS: sw_vers -productVersion. On iOS/iPadOS: Settings > General > About > Version.Verify Fix Applied:
Verify that your device is running one of the patched versions listed in the fix information.📡 Detection & Monitoring
Log Indicators:
- Unexpected iCloud folder sharing events
- Authentication bypass attempts in system logs
Network Indicators:
- Unusual iCloud API calls related to folder sharing
SIEM Query:
Search for events where iCloud folder sharing is enabled without corresponding authentication events.🔗 References
- https://support.apple.com/en-us/122373
- https://support.apple.com/en-us/122404
- https://support.apple.com/en-us/122405
- https://support.apple.com/en-us/122717
- https://support.apple.com/en-us/122718
- https://support.apple.com/en-us/122721
- http://seclists.org/fulldisclosure/2025/May/12
- http://seclists.org/fulldisclosure/2025/May/6
- http://seclists.org/fulldisclosure/2025/May/9
