CVE-2025-43323 – This vulnerability allows apps to bypass entitl... (How to Fix)

Q: What is the severity of CVE-2025-43323?

CVE-2025-43323 has a CVSS score of 8.1 (HIGH). This vulnerability allows apps to bypass entitlement checks and fingerprint users on Apple devices. It affects visionOS, tvOS, iOS, iPadOS, and watchOS before version 26. The issue enables unauthorized collection of device/user identifying information.

📋 TL;DR

This vulnerability allows apps to bypass entitlement checks and fingerprint users on Apple devices. It affects visionOS, tvOS, iOS, iPadOS, and watchOS before version 26. The issue enables unauthorized collection of device/user identifying information.

💻 Affected Systems

Products:

visionOS
tvOS
iOS
iPadOS
watchOS

Versions: Versions before 26

Operating Systems: Apple visionOS, Apple tvOS, Apple iOS, Apple iPadOS, Apple watchOS

Default Config Vulnerable: ⚠️ Yes

Notes: All devices running affected OS versions are vulnerable by default; requires app installation to exploit.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Malicious apps could create persistent user profiles across services, enabling targeted attacks, privacy violations, and potential identity correlation across platforms.

🟠

Likely Case

Apps could collect device fingerprints for advertising tracking, user profiling, or analytics beyond user consent boundaries.

🟢

If Mitigated

With proper app vetting and user permission controls, impact is limited to authorized data collection only.

🌐 Internet-Facing: MEDIUM - Requires user to install malicious app; not directly exploitable over network.

🏢 Internal Only: LOW - Primarily affects personal/consumer devices rather than enterprise infrastructure.

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ✅ No

Complexity: MEDIUM

Requires malicious app installation; exploitation depends on bypassing App Store review or sideloading.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: visionOS 26, tvOS 26, iOS 26, iPadOS 26, watchOS 26

Vendor Advisory: https://support.apple.com/en-us/125108

Restart Required: Yes

Instructions:

1. Open Settings app. 2. Go to General > Software Update. 3. Download and install the latest OS update. 4. Restart device when prompted.

🔧 Temporary Workarounds

Restrict App Installation

all

Only install apps from trusted sources and official App Store

Review App Permissions

all

Regularly review and restrict app permissions in device settings

🧯 If You Can't Patch

Implement mobile device management (MDM) to control app installation
Use network filtering to block suspicious app traffic and analytics domains

🔍 How to Verify

Check if Vulnerable:

Check device OS version in Settings > General > About > Software Version

Check Version:

Settings > General > About > Software Version (no CLI command available)

Verify Fix Applied:

Verify OS version is 26 or higher after update

📡 Detection & Monitoring

Log Indicators:

Unusual app entitlement requests
Excessive device information queries by apps

Network Indicators:

Suspicious analytics/tracking traffic from apps
Unexpected fingerprinting-related API calls

SIEM Query:

Not applicable - primarily client-side vulnerability

📊 Metadata

CVE ID: CVE-2025-43323

CVSS v3 Score: 8.1 (HIGH)

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

CWE: CWE-200

EPSS Score: 0.04% exploit probability (13.2th percentile)

Published: November 4, 2025

Last Updated: November 4, 2025

🔗 References

https://support.apple.com/en-us/125108 Release Notes,Vendor Advisory
https://support.apple.com/en-us/125114 Release Notes,Vendor Advisory
https://support.apple.com/en-us/125115 Release Notes,Vendor Advisory
https://support.apple.com/en-us/125116 Release Notes,Vendor Advisory

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🔗 Related Vulnerabilities

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