Apple iOS/iPadOS prior 14.6 Browsing History default permission

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple iOS and iPadOS. It has been rated as critical. This vulnerability affects unknown code of the component Browsing History Handler. Performing a manipulation results in default permission. This vulnerability was named CVE-2021-30999. The attack needs to be approached locally. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in Apple iOS and iPadOS (Smartphone Operating System). This affects an unknown function of the component Browsing History Handler. The manipulation with an unknown input leads to a default permission vulnerability. CWE is classifying the issue as CWE-276. During installation, installed file permissions are set to allow anyone to modify those files. This is going to have an impact on confidentiality.

The weakness was presented 10/30/2023 as HT212528. The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2021-30999 since 04/13/2021. The exploitability is told to be easy. An attack has to be approached locally. The successful exploitation requires a authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/30/2023). It is expected to see the exploit prices for this product increasing in the near future.MITRE ATT&CK project uses the attack technique T1222 for this issue.

Upgrading to version 14.6 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.8
VulDB Meta Temp Score: 3.7

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Default permission
CWE: CWE-276 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

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: 🔍

0-Day Time: 🔍

Upgrade: iOS/iPadOS 14.6

Timelineinfo

04/13/2021 🔍
10/30/2023 +930 days 🔍
10/30/2023 +0 days 🔍
11/22/2023 +23 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT212528
Status: Confirmed

CVE: CVE-2021-30999 (🔍)
GCVE (CVE): GCVE-0-2021-30999
GCVE (VulDB): GCVE-100-243873
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 10/30/2023 16:04
Updated: 11/22/2023 09:31
Changes: 10/30/2023 16:04 (57), 11/22/2023 09:31 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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