CVE-2025-30471
📋 TL;DR
A validation logic vulnerability in multiple Apple operating systems allows remote attackers to cause denial-of-service conditions. This affects users running vulnerable versions of visionOS, macOS, tvOS, and iOS/iPadOS. The issue has been addressed through improved input validation in the listed updates.
💻 Affected Systems
- visionOS
- macOS
- tvOS
- iOS
- iPadOS
📦 What is this software?
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 →Tvos by Apple
⚠️ Risk & Real-World Impact
Worst Case
Remote attacker could crash affected systems or services, causing complete unavailability of affected devices.
Likely Case
Targeted denial-of-service attacks against vulnerable Apple devices, potentially disrupting services or user productivity.
If Mitigated
Minimal impact with proper network segmentation and updated systems; isolated incidents may occur but won't propagate.
🎯 Exploit Status
Apple has not disclosed technical details; exploitation likely requires specific knowledge of the validation bypass.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: visionOS 2.4, macOS Ventura 13.7.5, tvOS 18.4, iPadOS 17.7.6, iOS 18.4 and iPadOS 18.4, macOS Sequoia 15.4, macOS Sonoma 14.7.5
Vendor Advisory: https://support.apple.com/en-us/122371
Restart Required: No
Instructions:
1. Open Settings app. 2. Navigate to General > Software Update. 3. Download and install the latest available update for your device. 4. For managed devices, deploy updates through MDM solutions.
🔧 Temporary Workarounds
Network Segmentation
allIsolate vulnerable devices from untrusted networks to limit attack surface.
🧯 If You Can't Patch
- Implement strict network access controls to limit exposure to trusted sources only.
- Monitor for unusual traffic patterns or system crashes that may indicate exploitation attempts.
🔍 How to Verify
Check if Vulnerable:
Check current OS version against affected versions list; if running older than patched versions, system is vulnerable.Check Version:
On macOS: sw_vers -productVersion. On iOS/iPadOS: Settings > General > About > Version. On tvOS: Settings > General > About > Version.Verify Fix Applied:
Verify OS version matches or exceeds the patched versions listed in the fix information.📡 Detection & Monitoring
Log Indicators:
- Unexpected system crashes
- Kernel panic logs
- Application termination without user action
Network Indicators:
- Unusual inbound traffic patterns to Apple devices
- Traffic from unexpected sources to device management ports
SIEM Query:
source="apple-devices" AND (event_type="crash" OR event_type="panic") AND NOT user_action="true"🔗 References
- https://support.apple.com/en-us/122371
- https://support.apple.com/en-us/122372
- https://support.apple.com/en-us/122373
- https://support.apple.com/en-us/122374
- https://support.apple.com/en-us/122375
- https://support.apple.com/en-us/122377
- https://support.apple.com/en-us/122378
- http://seclists.org/fulldisclosure/2025/Apr/10
- http://seclists.org/fulldisclosure/2025/Apr/11
- http://seclists.org/fulldisclosure/2025/Apr/12
- http://seclists.org/fulldisclosure/2025/Apr/13
- http://seclists.org/fulldisclosure/2025/Apr/4
- http://seclists.org/fulldisclosure/2025/Apr/5
- http://seclists.org/fulldisclosure/2025/Apr/8
- http://seclists.org/fulldisclosure/2025/Apr/9
