Apple iOS/iPadOS up to 16.3.1 AppleMobileFileIntegrity access control

CVSS Meta Temp Score
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CTI Interest Score
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5.4$5k-$25k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Apple iOS and iPadOS up to 16.3.1. Affected is an unknown function of the component AppleMobileFileIntegrity. The manipulation leads to access control. This vulnerability is listed as CVE-2023-27931. The attack must be carried out locally. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple iOS and iPadOS up to 16.3.1 (Smartphone Operating System). It has been rated as problematic. This issue affects an unknown code of the component AppleMobileFileIntegrity. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

This issue was addressed by removing the vulnerable code. This issue is fixed in macOS Ventura 13.3, macOS Monterey 12.6.3, iOS 16.4 and iPadOS 16.4, macOS Big Sur 11.7.3, tvOS 16.4, watchOS 9.4. An app may be able to access user-sensitive data.

The weakness was presented 03/27/2023 by Mickey Jin as HT213676 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2023-27931. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 11/28/2025). It is expected to see the exploit prices for this product increasing in the near future.MITRE ATT&CK project uses the attack technique T1068 for this issue. The advisory points out:

An app may be able to access user-sensitive data

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:

This issue was addressed by removing the vulnerable code.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-31657). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CNA Base Score: 5.5
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: iOS/iPadOS 16.4

Timelineinfo

03/08/2023 🔍
03/27/2023 +18 days 🔍
03/27/2023 +0 days 🔍
03/29/2023 +2 days 🔍
11/28/2025 +975 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT213676
Researcher: Mickey Jin
Status: Confirmed

CVE: CVE-2023-27931 (🔍)
GCVE (CVE): GCVE-0-2023-27931
GCVE (VulDB): GCVE-100-224333
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 03/29/2023 09:48
Updated: 11/28/2025 03:44
Changes: 03/29/2023 09:48 (8), 03/29/2023 09:49 (10), 03/29/2023 09:52 (29), 04/16/2023 18:10 (1), 01/30/2025 10:19 (36), 11/28/2025 03:44 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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