Apple iOS/iPadOS up to 16.3.1 AppleMobileFileIntegrity access control

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.1 | $5k-$25k | 0.00 |
Summary
A vulnerability labeled as problematic has been found in Apple iOS and iPadOS up to 16.3.1. This impacts an unknown function of the component AppleMobileFileIntegrity. Executing a manipulation can lead to access control. This vulnerability is tracked as CVE-2023-23527. The attack is restricted to local execution. No exploit exists. The affected component should be upgraded.
Details
A vulnerability was found in Apple iOS and iPadOS up to 16.3.1 (Smartphone Operating System). It has been declared as problematic. This vulnerability affects an unknown part of the component AppleMobileFileIntegrity. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was disclosed 03/27/2023 by Mickey Jin as HT213676 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2023-23527. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 10/12/2025). It is expected to see the exploit prices for this product increasing in the near future.The MITRE ATT&CK project declares the attack technique as T1068. The advisory points out:
A user may gain access to protected parts of the file system
Upgrading to version 16.4 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:
The issue was addressed with improved checks.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-27627). Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.apple.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Access controlCWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: iOS/iPadOS 16.4
Timeline
01/12/2023 🔍03/27/2023 🔍
03/27/2023 🔍
03/29/2023 🔍
10/12/2025 🔍
Sources
Vendor: apple.comAdvisory: HT213676
Researcher: Mickey Jin
Status: Confirmed
CVE: CVE-2023-23527 (🔍)
GCVE (CVE): GCVE-0-2023-23527
GCVE (VulDB): GCVE-100-224332
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20150917
Entry
Created: 03/29/2023 09:48Updated: 10/12/2025 02:40
Changes: 03/29/2023 09:48 (18), 03/29/2023 09:51 (29), 04/16/2023 18:03 (1), 10/12/2025 02:40 (16)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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