Apple iOS/iPadOS up to 14.4.2 Accessibility access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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2.3$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Apple iOS and iPadOS up to 14.4.2. Affected is an unknown function of the component Accessibility. Executing a manipulation can lead to access control. This vulnerability is registered as CVE-2021-1835. The physical device can be targeted for the attack. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Apple iOS and iPadOS up to 14.4.2 (Smartphone Operating System) and classified as problematic. This vulnerability affects an unknown code block of the component Accessibility. 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.

The weakness was published 04/26/2021 by videosdebarraquito as HT212317 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2021-1835. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068. The advisory points out:

A person with physical access to an iOS device may be able to access notes from the lock screen

Upgrading to version 14.5 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 with improved checks.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Vendor

Name

Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.4
VulDB Meta Temp Score: 2.3

VulDB Base Score: 2.4
VulDB Temp Score: 2.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: Yes
Local: Yes
Remote: No

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 14.5

Timelineinfo

12/08/2020 🔍
04/26/2021 +138 days 🔍
04/26/2021 +0 days 🔍
04/27/2021 +1 days 🔍
04/30/2021 +3 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT212317
Researcher: videosdebarraquito
Status: Confirmed

CVE: CVE-2021-1835 (🔍)
GCVE (CVE): GCVE-0-2021-1835
GCVE (VulDB): GCVE-100-173920
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 04/27/2021 07:28
Updated: 04/30/2021 10:06
Changes: 04/27/2021 07:28 (18), 04/27/2021 07:31 (29), 04/30/2021 10:06 (4)
Complete: 🔍
Cache ID: 216::103

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