| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.1 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as problematic has been found in Apple iOS and iPadOS up to 14.4.2. The affected element is an unknown function of the component Shortcuts. Such manipulation leads to permission. This vulnerability is referenced as CVE-2021-1831. The attack can only be performed from a local environment. No exploit is available. The affected component should be upgraded.
Details
A vulnerability was found in Apple iOS and iPadOS up to 14.4.2 (Smartphone Operating System). It has been rated as problematic. Affected by this issue is an unknown part of the component Shortcuts. The manipulation with an unknown input leads to a permission vulnerability. Using CWE to declare the problem leads to CWE-275. Impacted is confidentiality, integrity, and availability.
The weakness was published 04/26/2021 by Bouke van der Bijl as HT212317 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2021-1831. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/30/2021). 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 T1222. The advisory points out:
An application may allow shortcuts to access restricted files
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:
The issue was addressed with improved permissions logic.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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: PermissionCWE: CWE-275 / 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 |
|---|---|---|---|---|
| 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 14.5
Timeline
12/08/2020 🔍04/26/2021 🔍
04/26/2021 🔍
04/27/2021 🔍
04/30/2021 🔍
Sources
Vendor: apple.comAdvisory: HT212317
Researcher: Bouke van der Bijl
Status: Confirmed
CVE: CVE-2021-1831 (🔍)
GCVE (CVE): GCVE-0-2021-1831
GCVE (VulDB): GCVE-100-173960
scip Labs: https://www.scip.ch/en/?labs.20150917
Entry
Created: 04/27/2021 08:21Updated: 04/30/2021 13:48
Changes: 04/27/2021 08:21 (7), 04/27/2021 08:22 (12), 04/27/2021 08:25 (28), 04/30/2021 13:48 (4)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.

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