Apple watchOS up to 8.1.1 Crash Reporter Local Privilege Escalation

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.1 | $0-$5k | 0.00 |
Summary
A vulnerability marked as problematic has been reported in Apple watchOS up to 8.1.1. Affected by this vulnerability is an unknown functionality of the component Crash Reporter. The manipulation leads to an unknown weakness. This vulnerability is uniquely identified as CVE-2021-30945. Local access is required to approach this attack. No exploit exists. It is suggested to upgrade the affected component.
Details
A vulnerability, which was classified as problematic, has been found in Apple watchOS up to 8.1.1 (Smartwatch Operating System). This issue affects an unknown code of the component Crash Reporter. Impacted is confidentiality, integrity, and availability.
The weakness was disclosed 12/13/2021 by Zhipeng Huo as HT212975 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2021-30945. The technical details are unknown and an exploit is not publicly available. The advisory points out:
A local attacker may be able to elevate their privileges
Upgrading to version 8.3 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.
The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-0631). Statistical analysis made it clear that VulDB provides the best quality 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: Local Privilege EscalationCWE: Unknown
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: watchOS 8.3
Timeline
04/13/2021 🔍12/13/2021 🔍
12/13/2021 🔍
12/17/2021 🔍
03/07/2026 🔍
Sources
Vendor: apple.comAdvisory: HT212975
Researcher: Zhipeng Huo
Status: Confirmed
CVE: CVE-2021-30945 (🔍)
GCVE (CVE): GCVE-0-2021-30945
GCVE (VulDB): GCVE-100-188507
CERT Bund: WID-SEC-2026-0631 - Apple macOS: Mehrere Schwachstellen
Entry
Created: 12/17/2021 15:58Updated: 03/07/2026 11:49
Changes: 12/17/2021 15:58 (1), 12/17/2021 15:59 (17), 12/17/2021 16:02 (27), 12/22/2021 20:35 (1), 03/07/2026 11:49 (22)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
No comments yet. Languages: en.
Please log in to comment.