| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.1 | $5k-$25k | 0.00 |
Summary
A vulnerability categorized as problematic has been discovered in Apple iOS and iPadOS up to 15.1.1. This issue affects some unknown processing of the component TCC. Such manipulation leads to permission. This vulnerability is listed as CVE-2021-30964. The attack must be carried out locally. There is no available exploit. It is advisable to upgrade the affected component.
Details
A vulnerability, which was classified as problematic, has been found in Apple iOS and iPadOS up to 15.1.1 (Smartphone Operating System). Affected by this issue is an unknown functionality of the component TCC. 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 presented 12/13/2021 by Andy Grant as HT212976 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2021-30964. 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 03/08/2026). 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:
A malicious application may be able to bypass Privacy preferences
Upgrading to version 15.2 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:
An inherited permissions issue was addressed with additional restrictions.
The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-0631). Once again VulDB remains the best source for vulnerability data.
Affected
- Apple macOS
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 15.2
Timeline
04/13/2021 🔍12/13/2021 🔍
12/13/2021 🔍
12/17/2021 🔍
03/08/2026 🔍
Sources
Vendor: apple.comAdvisory: HT212976
Researcher: Andy Grant
Status: Confirmed
CVE: CVE-2021-30964 (🔍)
GCVE (CVE): GCVE-0-2021-30964
GCVE (VulDB): GCVE-100-188588
CERT Bund: WID-SEC-2026-0631 - Apple macOS: Mehrere Schwachstellen
scip Labs: https://www.scip.ch/en/?labs.20150917
Entry
Created: 12/17/2021 16:51Updated: 03/08/2026 10:39
Changes: 12/17/2021 16:51 (19), 12/17/2021 16:54 (28), 12/23/2021 11:39 (1), 03/08/2026 10:39 (21)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.

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